[User] 能否帮我查询特定路线(route_id 为 'RT001')的所有行程信息，并关联到乘客的联系方式？

[Assistant]
SELECT s.schedule_id, s.train_id, s.route_id, s.departure_datetime, s.arrival_datetime, s.status, p.passenger_id, p.first_name, p.last_name, p.phone_number, p.email
FROM schedules s
LEFT JOIN passengers p ON s.schedule_id = (SELECT schedule_id FROM bookings WHERE passenger_id = p.passenger_id)
WHERE s.route_id = 'RT001';

[User] 能否只显示状态为‘On Time’的行程，并按出发时间升序排列？

[Assistant]
SELECT s.schedule_id, s.train_id, s.route_id, s.departure_datetime, s.arrival_datetime, s.status, p.passenger_id, p.first_name, p.last_name, p.phone_number, p.email
FROM schedules s
LEFT JOIN passengers p ON s.schedule_id = (SELECT schedule_id FROM bookings WHERE passenger_id = p.passenger_id)
WHERE s.route_id = 'RT001' AND s.status = 'On Time'
ORDER BY s.departure_datetime ASC;

[User] 如果乘客信息为空，能否仍然显示行程信息，并限制结果前10条？

[Assistant]
SELECT s.schedule_id, s.train_id, s.route_id, s.departure_datetime, s.arrival_datetime, s.status, p.passenger_id, p.first_name, p.last_name, p.phone_number, p.email
FROM schedules s
LEFT JOIN passengers p ON s.schedule_id = (SELECT schedule_id FROM bookings WHERE passenger_id = p.passenger_id)
WHERE s.route_id = 'RT001' AND s.status = 'On Time'
ORDER BY s.departure_datetime ASC
LIMIT 10;

System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
// PUT /schedules
{
  "mappings": {
    "properties": {
      "schedule_id": { "type": "keyword" },
      "train_id": { "type": "keyword" }, // References trains index
      "route_id": { "type": "keyword" }, // References routes index
      "departure_datetime": { "type": "date" }, // ISO 8601 format recommended
      "arrival_datetime": { "type": "date" },
      "status": { "type": "keyword" },
      "notes": { "type": "text" }
    }
  }
}
// PUT /passengers
{
  "mappings": {
    "properties": {
      "passenger_id": { "type": "keyword" },
      "first_name": {
        "type": "text",
        "fields": { "keyword": { "type": "keyword", "ignore_above": 100 } }
      },
      "last_name": {
        "type": "text",
        "fields": { "keyword": { "type": "keyword", "ignore_above": 100 } }
       },
      "email": { "type": "keyword" }, // Often used for exact matches
      "phone_number": { "type": "keyword" },
      "date_of_birth": { "type": "date", "format": "yyyy-MM-dd" },
      "loyalty_program_id": { "type": "keyword" },
      "created_at": { "type": "date" }
    }
  }
}


[User] Which customers have policies that expired in the last month? Please show the customer ID, policy number, and expiration date.

[Assistant]
SELECT c.customer_id, p.policy_number, p.end_date
FROM insurance.customers c
JOIN insurance.policies p ON c.customer_id = p.customer_id
WHERE p.end_date >= (CURRENT_DATE - INTERVAL '1 month') AND p.end_date < CURRENT_DATE;

[User] Add the customer's email to the results.

[Assistant]
SELECT c.customer_id, c.email, p.policy_number, p.end_date
FROM insurance.customers c
JOIN insurance.policies p ON c.customer_id = p.customer_id
WHERE p.end_date >= (CURRENT_DATE - INTERVAL '1 month') AND p.end_date < CURRENT_DATE;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE insurance.customers ( customer_id text, first_name text, last_name text, date_of_birth date, ssn_hash text, address_line1 text, address_line2 text, city text, state text, zip_code text, country text, phone_number text, email text, created_at timestamp, updated_at timestamp, status text )
CREATE TABLE insurance.policies ( policy_id text, customer_id text, product_id text, agent_id text, policy_number text, start_date date, end_date date, premium_amount numeric, coverage_limit numeric, deductible numeric, status text, issued_at timestamp, cancellation_date date, cancellation_reason text )
CREATE TABLE insurance.claims ( claim_id text, policy_id text, customer_id text, incident_date timestamp, reported_date timestamp, description text, estimated_loss numeric, status text, settlement_amount numeric, settlement_date date, claim_handler_id text, police_report_number text )
CREATE TABLE insurance.insurance_products ( product_id text, product_name text, product_type text, description text, base_premium numeric, coverage_details text, underwriting_rules text, is_active boolean, created_at timestamp, updated_at timestamp )


[User] Can you help me retrieve the inventory details for a specific component ID, including the quantity and warehouse location?

[Assistant] HGETALL inv:<inventory_record_id>

[User] Can you also include the batch number for that inventory record?

[Assistant] HGETALL inv:<inventory_record_id>

[User] If I want to check the expiry date for this component, how can I retrieve that information?

[Assistant] ZRANGE component_expiry:<component_id> 0 -1 WITHSCORES

[User] Can you filter the results to show only inventory records with an expiry date after a specific timestamp?

[Assistant] ZRANGEBYSCORE component_expiry:<component_id> <specific_timestamp> +inf WITHSCORES

System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
Use Hashes. Key pattern: 'inv:<inventory_record_id>'. Example: HSET inv:INVREC500 component_id "component:WINGBOLT" quantity 5000 location_warehouse "WH3" batch_number "BCH778899" ... Consider Sorted Set by expiry date: ZADD component_expiry:<component_id> <expiry_timestamp> <inventory_record_id>.


[User] List every diagnosis description paired with every insurance plan's website.

[Assistant] SELECT T1.description, T2.website FROM healthcare.diagnoses AS T1 CROSS JOIN healthcare.insurance_plans AS T2;

[User] Only include chronic diagnoses and plans whose website ends with '.org'.

[Assistant] SELECT T1.description, T2.website FROM healthcare.diagnoses AS T1 CROSS JOIN healthcare.insurance_plans AS T2 WHERE T1.is_chronic = true AND T2.website LIKE '%.org';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.diagnoses ( diagnosis_id character varying(64) NOT NULL, record_id character varying(64) NOT NULL, patient_id character varying(64) NOT NULL, doctor_id character varying(64) NOT NULL, diagnosis_code character varying(20) NOT NULL, code_type character varying(10) NOT NULL DEFAULT 'ICD-10', description text, diagnosis_date date NOT NULL, status character varying(32) NOT NULL, is_chronic boolean DEFAULT false, PRIMARY KEY (diagnosis_id) )
CREATE TABLE healthcare.insurance_plans ( plan_id text PRIMARY KEY, plan_name text, insurance_provider text, plan_type text, contact_phone text, website text )


[User] For each contract, can you list the token symbols and total supply of all tokens created by that contract, along with the contract's current status?

[Assistant]
SELECT c.contract_id, c.address AS contract_address, c.status, t.token_symbol, t.total_supply
FROM web3.contracts c
JOIN web3.tokens t ON c.address = t.contract_address
ORDER BY c.contract_id, t.token_symbol;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.contracts ( contract_id text, address text, abi text, bytecode text, deployer_address text, deployed_at timestamp, network_id text, status text )
CREATE TABLE web3.events ( event_id text, contract_id text, event_name text, data text, emitted_at timestamp, transaction_id text, log_index integer )
CREATE TABLE web3.transactions ( transaction_id text, from_address text, to_address text, value numeric, gas_used integer, gas_price numeric, block_number integer, timestamp timestamp, input_data text, status text, nonce integer )
CREATE TABLE web3.tokens ( token_id text, contract_address text, token_name text, token_symbol text, decimals integer, total_supply numeric )
CREATE TABLE web3.token_transfers ( transfer_id text, token_id text, from_address text, to_address text, value numeric, transaction_id text, log_index integer )
CREATE TABLE web3.users ( user_id text, username text, email text, password_hash text, created_at timestamp )


[User] List all events and any token transfers that occurred in the same transaction, showing event_id, event_name, transfer_id, and token_symbol.

[Assistant]
SELECT
  e.event_id,
  e.event_name,
  tt.transfer_id,
  tk.token_symbol
FROM web3.events e
LEFT JOIN web3.token_transfers tt
  ON e.transaction_id = tt.transaction_id
LEFT JOIN web3.tokens tk
  ON tt.token_id = tk.token_id
ORDER BY e.transaction_id, e.log_index;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.contracts ( contract_id character varying(64) NOT NULL, address character varying(128) NOT NULL, abi text NOT NULL, bytecode text NOT NULL, deployer_address character varying(128) NOT NULL, deployed_at timestamp NOT NULL, network_id character varying(64) NOT NULL, status character varying(32) NOT NULL, PRIMARY KEY (contract_id) )
CREATE TABLE web3.events ( event_id.text, contract_id.text, event_name.text, data.text, emitted_at.timestamp, transaction_id.text, log_index.integer )
CREATE TABLE web3.tokens (
    token_id character varying(64) NOT NULL,  -- unique identifier for the token
    contract_address character varying(128) NOT NULL, -- address of the token contract
    token_name character varying(128) NOT NULL, -- name of the token
    token_symbol character varying(32) NOT NULL, -- symbol of the token
    decimals integer NOT NULL, -- number of decimals for the token
    total_supply numeric(38,14) NOT NULL, -- total supply of the token
    PRIMARY KEY (token_id)
)
CREATE TABLE web3.token_transfers ( transfer_id text PRIMARY KEY, token_id text, from_address text, to_address text, value numeric, transaction_id text, log_index int )
CREATE TABLE web3.users ( user_id text, username text, email text, password_hash text, created_at timestamp )


[User] Can you help me get the total number of operational platforms across all stations?

[Assistant] db.platforms.countDocuments({ status: 'Operational' });

System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
// db.createCollection('platforms')
// Optional: db.platforms.createIndex({ platform_id: 1 }, { unique: true })
// Optional: db.platforms.createIndex({ station_id: 1 })
{
  _id: ObjectId(),
  platform_id: "plat_123", // String (unique)
  station_id: "station_xyz", // String (references stations.station_id)
  platform_number: "1A", // String
  track_number: "T1", // String
  status: "Operational", // String ('Operational', 'Maintenance', 'Closed')
  length_meters: 250.50, // Decimal128 or Double
  accessible: true // Boolean
}
// db.createCollection('routes')
// Optional: db.routes.createIndex({ route_id: 1 }, { unique: true })
{
  _id: ObjectId(),
  route_id: "route_ne_corr", // String (unique)
  route_name: "Northeast Corridor", // String
  description: "High-speed rail linking Boston and Washington D.C.", // String
  origin_station_id: "station_bos", // String (references stations.station_id)
  destination_station_id: "station_was", // String (references stations.station_id)
  is_active: true // Boolean
}
// db.createCollection('route_stations')
// Optional: db.route_stations.createIndex({ route_station_id: 1 }, { unique: true })
// Optional: db.route_stations.createIndex({ route_id: 1, sequence_order: 1 }, { unique: true })
{
  _id: ObjectId(),
  route_station_id: "rs_ne_1", // String (unique)
  route_id: "route_ne_corr", // String (references routes.route_id)
  station_id: "station_bos", // String (references stations.station_id)
  sequence_order: 1, // Int32
  distance_from_previous_km: null, // Decimal128 or Double (null for first stop)
  typical_stop_duration_minutes: null // Int32 (null for origin/destination or if no stop)
}
// --- OR --- Embed within the Route document:
// {
//   _id: ObjectId(), route_id: "route_ne_corr", ...,
//   stations: [
//     { station_id: "station_bos", sequence_order: 1, distance_from_previous_km: null, typical_stop_duration_minutes: null },
//     { station_id: "station_pvd", sequence_order: 2, distance_from_previous_km: 70.5, typical_stop_duration_minutes: 5 },
//     ...
//   ]
// }
// db.createCollection('schedules')
// Optional: db.schedules.createIndex({ schedule_id: 1 }, { unique: true })
// Optional: db.schedules.createIndex({ route_id: 1, departure_datetime: 1 })
{
  _id: ObjectId(),
  schedule_id: "sched_1122", // String (unique)
  train_id: "train_789", // String (references trains.train_id)
  route_id: "route_ne_corr", // String (references routes.route_id)
  departure_datetime: ISODate("2024-05-10T08:00:00-04:00"), // Date (with timezone)
  arrival_datetime: ISODate("2024-05-10T15:30:00-04:00"), // Date (with timezone)
  status: "Scheduled", // String ('Scheduled', 'On Time', 'Delayed', 'Cancelled', 'Arrived')
  notes: "Track work expected near Philadelphia" // String
}
// db.createCollection('schedule_stops')
// Optional: db.schedule_stops.createIndex({ stop_id: 1 }, { unique: true })
// Optional: db.schedule_stops.createIndex({ schedule_id: 1, sequence_order: 1 }, { unique: true })
{
  _id: ObjectId(),
  stop_id: "stop_sched1122_1", // String (unique)
  schedule_id: "sched_1122", // String (references schedules.schedule_id)
  station_id: "station_bos", // String (references stations.station_id)
  platform_id: "plat_bos_3", // String (references platforms.platform_id, nullable)
  sequence_order: 1, // Int32
  scheduled_arrival_time: null, // Date
  scheduled_departure_time: ISODate("2024-05-10T08:00:00-04:00"), // Date
  actual_arrival_time: null, // Date
  actual_departure_time: ISODate("2024-05-10T08:01:00-04:00"), // Date
  status: "On Time" // String
}
// --- OR --- Embed within the Schedule document using an array 'stops'
// db.createCollection('passengers')
// Optional: db.passengers.createIndex({ passenger_id: 1 }, { unique: true })
// Optional: db.passengers.createIndex({ email: 1 }, { unique: true, sparse: true })
// Optional: db.passengers.createIndex({ phone_number: 1 }, { unique: true, sparse: true })
{
  _id: ObjectId(),
  passenger_id: "pass_pqr", // String (unique)
  first_name: "Alice", // String
  last_name: "Smith", // String
  email: "alice.smith@example.com", // String (unique, sparse)
  phone_number: "+15551234567", // String (unique, sparse)
  date_of_birth: ISODate("1990-03-20"), // Date
  loyalty_program_id: "LOYALTY123", // String
  created_at: ISODate("2023-02-01T11:00:00Z") // Date
}
// db.createCollection('staff')
// Optional: db.staff.createIndex({ staff_id: 1 }, { unique: true })
// Optional: db.staff.createIndex({ employee_number: 1 }, { unique: true })
// Optional: db.staff.createIndex({ contact_email: 1 }, { unique: true, sparse: true })
{
  _id: ObjectId(),
  staff_id: "staff_mno", // String (unique)
  first_name: "Bob", // String
  last_name: "Jones", // String
  role: "Conductor", // String
  primary_station_id: null, // String (references stations.station_id, nullable)
  employee_number: "E12345", // String (unique)
  hire_date: ISODate("2018-06-01"), // Date
  contact_email: "bob.jones@example-rail.com", // String (unique, sparse)
  contact_phone: "+15559876543", // String
  is_active: true // Boolean
}


[User] Show me all insurance plans where the website includes 'secure'.

[Assistant] SELECT * FROM healthcare.insurance_plans WHERE website ILIKE '%secure%';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.doctors ( doctor_id text, first_name text, last_name text, specialty text, license_number text, phone_number text, email text, hospital_affiliation_id text, created_at timestamp, updated_at timestamp )
CREATE TABLE healthcare.medical_records ( record_id text PRIMARY KEY, patient_id text, appointment_id text, doctor_id text, record_date timestamp, chief_complaint text, present_illness_history text, past_medical_history text, physical_examination_notes text, assessment text, treatment_plan text, vitals text, created_at timestamp )
CREATE TABLE healthcare.insurance_plans ( plan_id.text, plan_name.text, insurance_provider.text, plan_type.text, contact_phone.text, website.text )
CREATE TABLE healthcare.patient_insurance ( patient_insurance_id text, patient_id text, plan_id text, policy_number text, group_number text, subscriber_name text, effective_date date, expiration_date date, is_primary boolean )


[User] Show all rooms that are on floor 3.

[Assistant] SELECT room_id, property_id, room_number FROM hospitality_technology.rooms WHERE floor = 3;

[User] For these rooms, include the property name and room number.

[Assistant] SELECT r.room_number, p.property_name FROM hospitality_technology.rooms AS r JOIN hospitality_technology.properties AS p ON r.property_id = p.property_id WHERE r.floor = 3;

[User] Also, include the type name and current status for each room.

[Assistant] SELECT r.room_number, p.property_name, rt.type_name, r.status FROM hospitality_technology.rooms AS r JOIN hospitality_technology.properties AS p ON r.property_id = p.property_id JOIN hospitality_technology.room_types AS rt ON r.room_type_id = rt.room_type_id AND r.property_id = rt.property_id WHERE r.floor = 3;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.properties ( property_id text, property_name text, address_line1 text, address_line2 text, city text, state_province text, postal_code text, country_code text, phone_number text, email_address text, property_type text, star_rating numeric, timezone text, manager_staff_id text, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.rooms ( room_id text, property_id text, room_number text, room_type_id text, floor integer, status text, is_smoking boolean, features text, current_condition text, last_cleaned_at timestamp )
CREATE TABLE hospitality_technology.room_types ( room_type_id text, property_id text, type_name text, description text, base_rate numeric, max_occupancy integer, bed_type text, area_sqft numeric, amenities text )


[User] What are the training programs or certifications completed by a staff member with the role of Platform Supervisor?

[Assistant] I'm sorry, but I don't have access to information about the training programs or certifications completed by staff members. The data available to me only includes basic staff details such as name, role, and contact information. For details on training or certifications, please refer to the HR department or relevant training records.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE train_station_management.staff ( staff_id text PRIMARY KEY, first_name text, last_name text, role text, primary_station_id text, employee_number text UNIQUE, hire_date date, contact_email text UNIQUE, contact_phone text, is_active boolean )


[User] Show the number of users registered each month for 2024.

[Assistant]
SELECT
  date_trunc('month', created_at) AS month,
  COUNT(*) AS user_count
FROM trading_platform.users
WHERE created_at >= '2024-01-01'
  AND created_at < '2025-01-01'
GROUP BY month
ORDER BY month;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.users ( user_id text PRIMARY KEY, username text, email text, password_hash text, created_at timestamp )


[User] List pairs of routes where one route’s origin matches another route’s destination. Show both route numbers.

[Assistant]
SELECT r1.route_number AS route1, r2.route_number AS route2
FROM transportation.routes r1
JOIN transportation.routes r2
  ON r1.origin_location_id = r2.destination_location_id;

[User] Filter these pairs to include only those where the absolute difference in distance_km between the two routes is more than 50.

[Assistant]
SELECT r1.route_number AS route1, r2.route_number AS route2, ABS(r1.distance_km - r2.distance_km) AS distance_diff
FROM transportation.routes r1
JOIN transportation.routes r2
  ON r1.origin_location_id = r2.destination_location_id
WHERE ABS(r1.distance_km - r2.distance_km) > 50;

[User] Also include the type of each route and order the results by the distance difference descending.

[Assistant]
SELECT r1.route_number AS route1, r2.route_number AS route2,
       r1.type AS type1, r2.type AS type2,
       ABS(r1.distance_km - r2.distance_km) AS distance_diff
FROM transportation.routes r1
JOIN transportation.routes r2
  ON r1.origin_location_id = r2.destination_location_id
WHERE ABS(r1.distance_km - r2.distance_km) > 50
ORDER BY distance_diff DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.routes ( route_id text, route_number text, description text, origin_location_id text, destination_location_id text, distance_km numeric, estimated_duration_minutes integer, type text )


[User] List all SUI coins, showing object ID, owner address, and balance.

[Assistant] SELECT object_id, owner, balance FROM sui_coins;

[User] Include the coin symbol and name by joining with the metadata table. Also show the status from both tables.

[Assistant] SELECT sc.object_id, sc.owner, sc.balance, sc.coin_type, sm.symbol, sm.name, sc.status AS sui_coins_status, sm.status AS metadata_status FROM sui_coins sc JOIN sui_coins_metadata sm ON sc.coin_type = sm.coin_type;

[User] Only show coins where both statuses are 'exists' and the balance is greater than '100000000'.

[Assistant] SELECT sc.object_id, sc.owner, sc.balance, sc.coin_type, sm.symbol, sm.name, sc.status AS sui_coins_status, sm.status AS metadata_status FROM sui_coins sc JOIN sui_coins_metadata sm ON sc.coin_type = sm.coin_type WHERE sc.status = 'exists' AND sm.status = 'exists' AND CAST(sc.balance AS DECIMAL) > 100000000;

[User] Order the results by balance descending and limit to the top 10.

[Assistant] SELECT sc.object_id, sc.owner, sc.balance, sc.coin_type, sm.symbol, sm.name, sc.status AS sui_coins_status, sm.status AS metadata_status FROM sui_coins sc JOIN sui_coins_metadata sm ON sc.coin_type = sm.coin_type WHERE sc.status = 'exists' AND sm.status = 'exists' AND CAST(sc.balance AS DECIMAL) > 100000000 ORDER BY CAST(sc.balance AS DECIMAL) DESC LIMIT 10;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE token_metas ( block_timestamp timestamp(6) NOT NULL, block_number bigint NOT NULL, transaction_hash varchar NOT NULL, transaction_index bigint NOT NULL, from_address varchar NOT NULL, contract_address varchar NOT NULL, symbol varchar NOT NULL, total_supply varchar NOT NULL, name varchar NOT NULL, decimals bigint NOT NULL, is_erc20 integer NOT NULL, is_erc721 integer NOT NULL, is_erc1155 integer NOT NULL, is_proxy integer NOT NULL, extra_info varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE erc1155_approval_for_all ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, transaction_index integer NOT NULL, transaction_hash varchar(66) NOT NULL, log_index integer NOT NULL, contract_address varchar(42) NOT NULL )
CREATE TABLE erc20_balances ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE erc20_balances_historical ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, amount varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE nft_holders ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, token_id varchar NOT NULL, contract_type varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE nft_holder_historical ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, token_id varchar NOT NULL, contract_type varchar NOT NULL, amount varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE sui_coins ( object_id varchar NOT NULL, status varchar NOT NULL, coin_type varchar NOT NULL, balance varchar NOT NULL, owner varchar NOT NULL )
CREATE TABLE sui_coins_metadata ( object_id varchar NOT NULL, coin_type varchar NOT NULL, status varchar NOT NULL, decimals bigint NOT NULL, description varchar NOT NULL, icon_url varchar NOT NULL, symbol varchar NOT NULL, name varchar NOT NULL )
CREATE TABLE sui_nfts ( object_id varchar NOT NULL, status varchar NOT NULL, collection_type varchar NOT NULL, package_id varchar NOT NULL, previous_transaction varchar NOT NULL, display varchar NOT NULL, owner varchar NOT NULL, name varchar NOT NULL )
CREATE TABLE nft_metadata ( blockchain varchar NOT NULL, contract_address varchar NOT NULL, token_id varchar NOT NULL, contract_name varchar NOT NULL, erc_type varchar NOT NULL, amount bigint NOT NULL, minter varchar NOT NULL, owner varchar NOT NULL, mint_block_number bigint NOT NULL, mint_time bigint NOT NULL, mint_transaction_hash varchar NOT NULL, mint_price varchar NOT NULL, token_uri varchar NOT NULL, metadata varchar NOT NULL, name varchar NOT NULL, image_uri varchar NOT NULL, traits varchar NOT NULL, updated_at bigint NOT NULL, status varchar NOT NULL, rarity_score real NOT NULL, rarity_rank integer NOT NULL, unique_attribute_count integer NOT NULL, pk integer NOT NULL )
CREATE TABLE token_prices ( uuid varchar(36) NOT NULL, blockchain varchar(36) NOT NULL, address varchar(42) NOT NULL, decimals bigint NOT NULL, symbol varchar(36) NOT NULL, price real NOT NULL, timestamp timestamp(6) NOT NULL )
CREATE TABLE token_prices_latest ( blockchain varchar(36) NOT NULL, address varchar(42) NOT NULL, decimals bigint NOT NULL, symbol varchar(36) NOT NULL, price real NOT NULL, timestamp timestamp(6) NOT NULL )
CREATE TABLE erc20_approval ( block_number bigint NOT NULL, block_timestamp timestamp(6) NOT NULL, transaction_index integer NOT NULL, transaction_hash varchar NOT NULL, log_index integer NOT NULL, contract_address varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE token_balances ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, tick varchar NOT NULL, wallet_address varchar(42) NOT NULL, total_supply decimal(38,0) NOT NULL, amount decimal(38,0) NOT NULL )
CREATE TABLE token_info ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, tick varchar NOT NULL, max_supply decimal(38,0) NOT NULL, lim decimal(38,0) NOT NULL, wlim decimal(38,0) NOT NULL, dec integer NOT NULL, creator varchar(42) NOT NULL )
CREATE TABLE token_activities ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar NOT NULL, tick varchar NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(42) NOT NULL, to_address varchar(42) NOT NULL )
CREATE TABLE token_balances_bitcoin ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, tick varchar(255) NOT NULL, wallet_address varchar(42) NOT NULL, total_supply varchar NOT NULL, amount varchar NOT NULL )
CREATE TABLE token_activities_bitcoin ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar(20) NOT NULL, tick varchar(255) NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(62) NOT NULL, to_address varchar(62) NOT NULL )
CREATE TABLE token_activities_avalanche ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar(20) NOT NULL, tick varchar(255) NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(42) NOT NULL, to_address varchar(42) NOT NULL )
CREATE TABLE token_info_avalanche ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, tick varchar(20) NOT NULL, max_supply decimal(38,0) NOT NULL, lim decimal(38,0) NOT NULL, wlim decimal(38,0) NOT NULL, dec integer NOT NULL, creator varchar(42) NOT NULL, minted decimal(38,0) NOT NULL, holders decimal(38,0) NOT NULL, txs decimal(38,0) NOT NULL, updated_timestamp timestamp(3) NOT NULL, completed_timestamp timestamp(3) NOT NULL, id varchar(255) NOT NULL )


[User] Can you provide a breakdown of total and average account balance by account_type and currency for each account status?

[Assistant]
SELECT account_type, currency, status, COUNT(*) AS total_accounts, SUM(balance) AS total_balance, AVG(balance) AS average_balance
FROM financial_services.accounts
GROUP BY account_type, currency, status;

[User] Could you include the minimum and maximum interest rate for each group as well?

[Assistant]
SELECT account_type, currency, status, COUNT(*) AS total_accounts, SUM(balance) AS total_balance, AVG(balance) AS average_balance, MIN(interest_rate) AS min_interest_rate, MAX(interest_rate) AS max_interest_rate
FROM financial_services.accounts
GROUP BY account_type, currency, status;

[User] Only show groups where the total_accounts is greater than 20.

[Assistant]
SELECT account_type, currency, status, COUNT(*) AS total_accounts, SUM(balance) AS total_balance, AVG(balance) AS average_balance, MIN(interest_rate) AS min_interest_rate, MAX(interest_rate) AS max_interest_rate
FROM financial_services.accounts
GROUP BY account_type, currency, status
HAVING COUNT(*) > 20;

[User] Please sort the results by average_balance in descending order.

[Assistant]
SELECT account_type, currency, status, COUNT(*) AS total_accounts, SUM(balance) AS total_balance, AVG(balance) AS average_balance, MIN(interest_rate) AS min_interest_rate, MAX(interest_rate) AS max_interest_rate
FROM financial_services.accounts
GROUP BY account_type, currency, status
HAVING COUNT(*) > 20
ORDER BY average_balance DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE financial_services.accounts (
    account_id character varying(64) NOT NULL, -- unique identifier for the account
    customer_id character varying(64) NOT NULL, -- foreign key linking to the customer
    account_number character varying(128) NOT NULL UNIQUE, -- unique account number visible to customer
    account_type character varying(50) NOT NULL, -- e.g., Checking, Savings, Investment, Loan, Credit Card
    balance numeric(19, 4) NOT NULL DEFAULT 0.00, -- current account balance
    currency character varying(3) NOT NULL, -- currency code (e.g., USD, EUR)
    opened_date date NOT NULL, -- date the account was opened
    status character varying(32) NOT NULL, -- e.g., Open, Closed, Frozen
    interest_rate numeric(5, 4), -- annual interest rate, if applicable
    last_updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last account update
    PRIMARY KEY (account_id),
    FOREIGN KEY (customer_id) REFERENCES financial_services.customers(customer_id)
)


[User] For each route type, show the total number of trips taken and the total distance covered across all trips for that type.

[Assistant] SELECT T1.type, COUNT(T2.trip_id), SUM(T1.distance_km) FROM transportation.routes AS T1 JOIN transportation.trips AS T2 ON T1.route_id = T2.route_id GROUP BY T1.type;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.vehicles ( vehicle_id.text, license_plate.text, vin.text, make.text, model.text, year.integer, type.text, capacity.integer, fuel_type.text, status.text, depot_id.text, acquisition_date.date )
CREATE TABLE transportation.drivers ( driver_id.text, employee_id.text, first_name.text, last_name.text, license_number.text, license_expiry_date.date, contact_number.text, email.text, hire_date.date, status.text )
CREATE TABLE transportation.routes ( route_id.text, route_number.text, description.text, origin_location_id.text, destination_location_id.text, distance_km.numeric, estimated_duration_minutes.integer, type.text )
CREATE TABLE transportation.trips ( trip_id.text, route_id.text, vehicle_id.text, driver_id.text, scheduled_departure.timestamp, actual_departure.timestamp, scheduled_arrival.timestamp, actual_arrival.timestamp, origin_location_id.text, destination_location_id.text, status.text, passenger_count.integer, cargo_manifest_id.text )
CREATE TABLE transportation.fuel_logs ( fuel_log_id.text, vehicle_id.text, trip_id.text, log_timestamp.timestamp, fuel_type.text, quantity.numeric, unit.text, cost_per_unit.numeric, total_cost.numeric, odometer_reading.integer, location_id.text )
CREATE TABLE transportation.bookings ( booking_id.text, passenger_id.text, trip_id.text, seat_number.text, booking_time.timestamp, status.text, fare.numeric, payment_transaction_id.text, special_requests.text )


[User] For each trip, calculate the total fuel quantity consumed and the total fuel cost. Show trip_id, total_quantity, total_cost.

[Assistant] SELECT trip_id, SUM(quantity) AS total_quantity, SUM(total_cost) AS total_cost FROM transportation.fuel_logs GROUP BY trip_id;

[User] Also include the route_number for each trip in the result.

[Assistant] SELECT fl.trip_id, r.route_number, SUM(fl.quantity) AS total_quantity, SUM(fl.total_cost) AS total_cost FROM transportation.fuel_logs fl JOIN transportation.trips t ON fl.trip_id = t.trip_id JOIN transportation.routes r ON t.route_id = r.route_id GROUP BY fl.trip_id, r.route_number;

[User] Now, only include trips where passenger_count is greater than 50 and order by total_cost in descending order.

[Assistant] SELECT fl.trip_id, r.route_number, SUM(fl.quantity) AS total_quantity, SUM(fl.total_cost) AS total_cost FROM transportation.fuel_logs fl JOIN transportation.trips t ON fl.trip_id = t.trip_id JOIN transportation.routes r ON t.route_id = r.route_id WHERE t.passenger_count > 50 GROUP BY fl.trip_id, r.route_number ORDER BY total_cost DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.vehicles ( vehicle_id text PRIMARY KEY, license_plate text, vin text, make text, model text, year int, type text, capacity int, fuel_type text, status text, depot_id text, acquisition_date date )
CREATE TABLE transportation.drivers ( driver_id text PRIMARY KEY, employee_id text, first_name text, last_name text, license_number text, license_expiry_date date, contact_number text, email text, hire_date date, status text )
CREATE TABLE transportation.routes ( route_id text PRIMARY KEY, route_number text, description text, origin_location_id text, destination_location_id text, distance_km numeric, estimated_duration_minutes int, type text )
CREATE TABLE transportation.trips ( trip_id text PRIMARY KEY, route_id text, vehicle_id text, driver_id text, scheduled_departure timestamp, actual_departure timestamp, scheduled_arrival timestamp, actual_arrival timestamp, origin_location_id text, destination_location_id text, status text, passenger_count int, cargo_manifest_id text )
CREATE TABLE transportation.locations ( location_id text PRIMARY KEY, name text, type text, address_line1 text, city text, state_province text, postal_code text, country text, latitude numeric, longitude numeric, timezone text )
CREATE TABLE transportation.maintenance_logs ( log_id text PRIMARY KEY, vehicle_id text, service_date date, odometer_reading int, service_type text, description text, cost numeric, mechanic_name text, next_service_due_date date )
CREATE TABLE transportation.fuel_logs ( fuel_log_id text PRIMARY KEY, vehicle_id text, trip_id text, log_timestamp timestamp, fuel_type text, quantity numeric, unit text, cost_per_unit numeric, total_cost numeric, odometer_reading int, location_id text )
CREATE TABLE transportation.bookings ( booking_id text PRIMARY KEY, passenger_id text, trip_id text, seat_number text, booking_time timestamp, status text, fare numeric, payment_transaction_id text, special_requests text )


[User] How many lawyers who are partners were hired in each year? Show the hire year and the count.

[Assistant] SELECT strftime('%Y', hire_date) AS hire_year ,  count(lawyer_id) FROM legal_services.lawyers WHERE is_partner  =  true GROUP BY hire_year

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.lawyers (
    lawyer_id character varying(64) NOT NULL,  -- unique identifier for the lawyer
    first_name character varying(100) NOT NULL, -- lawyer's first name
    last_name character varying(100) NOT NULL, -- lawyer's last name
    bar_number character varying(64) UNIQUE NOT NULL, -- lawyer's bar association number
    firm_id character varying(64), -- FK to law_firms table
    email character varying(128) UNIQUE NOT NULL, -- lawyer's professional email
    phone character varying(32), -- lawyer's contact phone number
    specialization text, -- areas of legal expertise
    hire_date timestamp NOT NULL, -- date the lawyer was hired or joined
    is_partner boolean DEFAULT false, -- flag indicating if the lawyer is a partner
    PRIMARY KEY (lawyer_id)
)


[User] Find appointments that are longer than 30 minutes.

[Assistant] SELECT * FROM legal_services.appointments WHERE end_time IS NOT NULL AND start_time IS NOT NULL AND end_time > start_time + INTERVAL '30 minutes'

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.appointments ( appointment_id.text, client_id.text, lawyer_id.text, case_id.text, start_time.timestamp, end_time.timestamp, location.text, subject.text, notes.text, status.text, created_at.timestamp )


[User] I need to find pairs of nodes that share the same port but have different IP addresses. Can you write a query for that?

[Assistant]
SELECT n1.node_id AS node1_id,
       n2.node_id AS node2_id,
       n1.port
FROM blockchain.nodes n1
JOIN blockchain.nodes n2
  ON n1.port = n2.port
 AND n1.ip_address <> n2.ip_address;

[User] Great. Now include the time difference in hours between their last_seen timestamps.

[Assistant]
SELECT n1.node_id AS node1_id,
       n2.node_id AS node2_id,
       n1.port,
       ABS(EXTRACT(EPOCH FROM (n1.last_seen - n2.last_seen)) / 3600) AS hour_diff
FROM blockchain.nodes n1
JOIN blockchain.nodes n2
  ON n1.port = n2.port
 AND n1.ip_address <> n2.ip_address;

[User] Actually, I only want those pairs where the time difference is less than 1 hour, and order the results by the smallest time difference first.

[Assistant]
SELECT n1.node_id AS node1_id,
       n2.node_id AS node2_id,
       n1.port,
       ABS(EXTRACT(EPOCH FROM (n1.last_seen - n2.last_seen)) / 3600) AS hour_diff
FROM blockchain.nodes n1
JOIN blockchain.nodes n2
  ON n1.port = n2.port
 AND n1.ip_address <> n2.ip_address
WHERE ABS(EXTRACT(EPOCH FROM (n1.last_seen - n2.last_seen)) / 3600) < 1
ORDER BY hour_diff ASC;

[User] One more thing: can you add a count of how many such pairs exist for each port?

[Assistant]
SELECT port,
       COUNT(*) AS pair_count
FROM (
  SELECT 1
  FROM blockchain.nodes n1
  JOIN blockchain.nodes n2
    ON n1.port = n2.port
   AND n1.ip_address <> n2.ip_address
  WHERE ABS(EXTRACT(EPOCH FROM (n1.last_seen - n2.last_seen)) / 3600) < 1
) sub
GROUP BY port;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE blockchain.nodes ( node_id character varying(64) NOT NULL, ip_address character varying(15) NOT NULL, port integer NOT NULL, last_seen timestamp NOT NULL, PRIMARY KEY (node_id) )


[User] What are the maintenance costs for a specific aircraft model like the Airbus A320?

[Assistant] I'm sorry, but I don't have access to data regarding maintenance costs for specific aircraft models such as the Airbus A320. The information in the database is limited to details like model name, manufacturer, passenger capacity, and technical specifications. For maintenance cost information, you may need to consult with the manufacturer or a maintenance service provider.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE manufacturing.aircraft_models ( model_id character varying(64) NOT NULL, model_name character varying(128) NOT NULL, manufacturer character varying(128) NOT NULL, passenger_capacity integer, max_range_km integer, engine_type character varying(100), wingspan_m numeric(6,2), status character varying(50) NOT NULL, first_flight_date date, PRIMARY KEY (model_id) )


[User] Could you list the top 5 narratives by their 7-day price change percentage, including the number of tokens and their top 3 coins?

[Assistant] SELECT narrative, price_change_percentage_7d, token_num, top_3_coins FROM narrative_info ORDER BY price_change_percentage_7d DESC LIMIT 5;

[User] Now, for these narratives, show the token with the highest current price from token_basic_info. Return narrative, token_symbol, and max price.

[Assistant] SELECT n.narrative, t.token_symbol, t.price FROM token_basic_info t JOIN narrative_info n ON t.narrative = n.narrative WHERE t.price = (SELECT MAX(price) FROM token_basic_info WHERE narrative = n.narrative);

[User] Filter to only include narratives where token_num > 10 and volume_24h > 1000000.

[Assistant] SELECT n.narrative, t.token_symbol, t.price FROM token_basic_info t JOIN narrative_info n ON t.narrative = n.narrative WHERE t.price = (SELECT MAX(price) FROM token_basic_info WHERE narrative = n.narrative) AND n.token_num > 10 AND n.volume_24h > 1000000;

[User] Finally, limit to the top 3 narratives by 7-day price change and include volume_24h.

[Assistant] SELECT n.narrative, n.price_change_percentage_7d, n.volume_24h, t.token_symbol, t.price FROM token_basic_info t JOIN narrative_info n ON t.narrative = n.narrative WHERE t.price = (SELECT MAX(price) FROM token_basic_info WHERE narrative = n.narrative) AND n.token_num > 10 AND n.volume_24h > 1000000 ORDER BY n.price_change_percentage_7d DESC LIMIT 3;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE project_fundraising_record ( id character varying(32) NOT NULL, project_id character varying(32) NOT NULL, project_name character varying(128) NOT NULL, rounds_name character varying(32), investment_value numeric(38,14), investment_date character varying(128), introduction character varying(128), valuation numeric(38,14) )
CREATE TABLE token_basic_info ( coin_id character varying(100) NOT NULL, token_name character varying(100) NOT NULL, token_symbol character varying(100) NOT NULL, token_address character varying(100) NOT NULL, chain text, price double precision, price_change_percentage_1h double precision, price_change_percentage_24h double precision, price_change_percentage_7d double precision, highest_price_24h double precision, lowest_price_24h double precision, market_cap double precision, market_cap_rank bigint, market_cap_change_percentage_24h text, total_volume text, narrative text, trend_rank bigint )
CREATE TABLE narrative_info ( narrative character varying(512) NOT NULL, top_3_coins text, price_change_percentage_1h double precision, price_change_percentage_24h double precision, price_change_percentage_7d double precision, market_cap double precision, volume_24h double precision, trend_rank bigint, token_num bigint )
CREATE TABLE cex_token_balance ( snapshot_time character varying(32) NOT NULL, chain character varying(128) NOT NULL, address character varying(128) NOT NULL, exchange character varying(512) NOT NULL, token_address character varying(128) NOT NULL, token_symbol character varying(512), balance numeric(38,10), usd_value numeric(38,14), price double precision )
CREATE TABLE smart_money_profit ( address character varying(100) NOT NULL, rank INT, profit numeric(38,6), roi numeric(38,2), realized_ratio numeric(38,2), most_profit_token character varying(100), last_trade_time character varying(100), chain character varying(100) )
CREATE TABLE smart_money_token_performance ( token_address character varying(100) NOT NULL, token_symbol character varying(100), pnl numeric(38,2), net_flow numeric(38,2), avg_cost numeric(38,16), price double precision, realized_ratio numeric(10,2), roi numeric(10,2), chain character varying(100) )
CREATE TABLE smart_money_token_inflow ( token_address character varying(100) NOT NULL, token_symbol character varying(100), token_amount numeric(38,2), usd_value numeric(38,2), avg_price numeric(38,6), type int, address_amount integer, narrative character varying(100), chain character varying(100) )


[User] For each block number, show the highest transaction value and the status of the transaction with the highest value.

[Assistant]
SELECT t.block_number, t.value AS max_value, t.status
FROM web3.transactions t
JOIN (
  SELECT block_number, MAX(value) AS max_value
  FROM web3.transactions
  GROUP BY block_number
) mv
  ON t.block_number = mv.block_number AND t.value = mv.max_value;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.transactions ( transaction_id.text, from_address.text, to_address.text, value.numeric, gas_used.integer, gas_price.numeric, block_number.integer, timestamp.timestamp, input_data.text, status.text, nonce.integer )


[User] List the medication_name and manufacturer for all medications where the description is null or an empty string.

[Assistant] SELECT medication_name, manufacturer FROM healthcare.medications WHERE description IS NULL OR description = '';

[User] Now, refine the query to only include medications whose ndc_code starts with '5'.

[Assistant] SELECT medication_name, manufacturer FROM healthcare.medications WHERE (description IS NULL OR description = '') AND ndc_code LIKE '5%';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.patients (
    patient_id character varying(64) NOT NULL,  -- unique identifier for the patient
    first_name character varying(100) NOT NULL, -- patient's first name
    last_name character varying(100) NOT NULL, -- patient's last name
    date_of_birth date NOT NULL, -- patient's date of birth
    gender character varying(10), -- patient's gender (e.g., Male, Female, Other)
    address text, -- patient's home address
    phone_number character varying(20), -- patient's phone number
    email character varying(128) UNIQUE, -- patient's email address
    emergency_contact_name character varying(200), -- name of emergency contact
    emergency_contact_phone character varying(20), -- phone number of emergency contact
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, -- record creation time
    updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, -- record last update time
    PRIMARY KEY (patient_id)
)
CREATE TABLE healthcare.doctors (
    doctor_id character varying(64) NOT NULL,  -- unique identifier for the doctor
    first_name character varying(100) NOT NULL, -- doctor's first name
    last_name character varying(100) NOT NULL, -- doctor's last name
    specialty character varying(100) NOT NULL, -- doctor's medical specialty
    license_number character varying(50) UNIQUE NOT NULL, -- doctor's medical license number
    phone_number character varying(20), -- doctor's contact phone
    email character varying(128) UNIQUE, -- doctor's contact email
    hospital_affiliation_id character varying(64), -- FK to hospitals table (optional)
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (doctor_id)
)
CREATE TABLE healthcare.appointments (
    appointment_id character varying(64) NOT NULL, -- unique identifier for the appointment
    patient_id character varying(64) NOT NULL, -- FK to patients table
    doctor_id character varying(64) NOT NULL, -- FK to doctors table
    appointment_time timestamp with time zone NOT NULL, -- date and time of the appointment
    duration_minutes integer NOT NULL, -- expected duration in minutes
    reason text, -- reason for the visit
    status character varying(32) NOT NULL, -- e.g., Scheduled, Completed, Cancelled, No-show
    location_id character varying(64), -- FK to a potential locations/clinics table
    notes text, -- notes related to scheduling
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (appointment_id)
)
CREATE TABLE healthcare.diagnoses (
    diagnosis_id character varying(64) NOT NULL, -- unique identifier for the diagnosis entry
    record_id character varying(64) NOT NULL, -- FK linking to the specific medical record entry
    patient_id character varying(64) NOT NULL, -- FK to patients table
    doctor_id character varying(64) NOT NULL, -- FK to doctors table (diagnosing doctor)
    diagnosis_code character varying(20) NOT NULL, -- standard code (e.g., ICD-10)
    code_type character varying(10) NOT NULL DEFAULT 'ICD-10', -- type of code used
    description text, -- textual description of the diagnosis
    diagnosis_date date NOT NULL, -- date the diagnosis was made
    status character varying(32) NOT NULL, -- e.g., Active, Resolved, Ruled Out
    is_chronic boolean DEFAULT false, -- flag for chronic conditions
    PRIMARY KEY (diagnosis_id)
)
CREATE TABLE healthcare.medications (
    medication_id character varying(64) NOT NULL, -- unique identifier for the medication type
    medication_name character varying(255) NOT NULL, -- common or brand name
    generic_name character varying(255), -- generic chemical name
    manufacturer character varying(100), -- drug manufacturer
    ndc_code character varying(20) UNIQUE, -- National Drug Code (optional but useful)
    description text, -- description of the medication
    PRIMARY KEY (medication_id)
)
CREATE TABLE healthcare.prescriptions (
    prescription_id character varying(64) NOT NULL, -- unique identifier for the prescription
    record_id character varying(64) NOT NULL, -- FK linking to the medical record where it was prescribed
    patient_id character varying(64) NOT NULL, -- FK to patients table
    doctor_id character varying(64) NOT NULL, -- FK to prescribing doctor
    medication_id character varying(64) NOT NULL, -- FK to medications table
    dosage character varying(100) NOT NULL, -- e.g., '100mg', '1 tablet'
    frequency character varying(100) NOT NULL, -- e.g., 'Once daily', 'Twice a day with meals'
    route character varying(50), -- e.g., 'Oral', 'Topical', 'Intravenous'
    start_date date NOT NULL, -- date prescription begins
    end_date date, -- date prescription ends (if applicable)
    quantity_dispensed numeric(10,2), -- amount dispensed (e.g., number of tablets)
    refills_allowed integer NOT NULL DEFAULT 0, -- number of allowed refills
    prescription_date timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (prescription_id)
)
CREATE TABLE healthcare.insurance_plans (
    plan_id character varying(64) NOT NULL, -- unique identifier for the insurance plan
    plan_name character varying(200) NOT NULL, -- name of the insurance plan
    insurance_provider character varying(100) NOT NULL, -- name of the insurance company
    plan_type character varying(50), -- e.g., PPO, HMO, EPO
    contact_phone character varying(20), -- provider contact number
    website character varying(255), -- provider website
    PRIMARY KEY (plan_id)
)
CREATE TABLE healthcare.patient_insurance (
    patient_insurance_id character varying(64) NOT NULL, -- unique identifier for this patient-plan link
    patient_id character varying(64) NOT NULL, -- FK to patients table
    plan_id character varying(64) NOT NULL, -- FK to insurance_plans table
    policy_number character varying(100) NOT NULL, -- patient's policy number
    group_number character varying(100), -- group number, if applicable
    subscriber_name character varying(200), -- name of the primary policy holder
    effective_date date NOT NULL, -- date the coverage begins
    expiration_date date, -- date the coverage ends (if known)
    is_primary boolean NOT NULL DEFAULT true, -- indicates if this is the primary insurance
    PRIMARY KEY (patient_insurance_id),
    UNIQUE (patient_id, plan_id, policy_number) -- ensure a patient doesn't have the same policy twice
)


[User] Which service locations do not have a contact phone specified? Show the location_id and location_name.

[Assistant]
SELECT location_id, location_name
FROM government_services.service_locations
WHERE contact_phone IS NULL OR contact_phone = '';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.documents ( document_id character varying(64) NOT NULL, application_id character varying(64), citizen_id character varying(64) NOT NULL, document_type character varying(100) NOT NULL, file_reference text NOT NULL, upload_timestamp timestamp NOT NULL, expiry_date date, verification_status character varying(30) DEFAULT 'Pending', verified_by_employee_id character varying(64), verification_timestamp timestamp, PRIMARY KEY (document_id) )
CREATE TABLE government_services.service_locations ( location_id character varying(64) NOT NULL, agency_id character varying(64) NOT NULL, location_name character varying(200), address text NOT NULL, city character varying(100), state character varying(50), postal_code character varying(20), latitude numeric(9, 6), longitude numeric(9, 6), operating_hours text, contact_phone character varying(32), is_accessible boolean, PRIMARY KEY (location_id) )


[User] List each achievement with the very next achievement unlocked by the same player using a self-join. Show player_id, current_ach, current_unlocked_at, next_ach, and next_unlocked_at.

[Assistant]
SELECT pa1.player_id,
       pa1.achievement_id AS current_ach,
       pa1.unlocked_at AS current_unlocked_at,
       pa2.achievement_id AS next_ach,
       pa2.unlocked_at AS next_unlocked_at
FROM gaming_technology.player_achievements pa1
JOIN gaming_technology.player_achievements pa2
  ON pa1.player_id = pa2.player_id
 AND pa2.unlocked_at = (
     SELECT MIN(pa3.unlocked_at)
     FROM gaming_technology.player_achievements pa3
     WHERE pa3.player_id = pa1.player_id
       AND pa3.unlocked_at > pa1.unlocked_at
 );

[User] Now restrict to pairs where the time difference between current_unlocked_at and next_unlocked_at is less than 48 hours.

[Assistant]
SELECT pa1.player_id,
       pa1.achievement_id AS current_ach,
       pa1.unlocked_at AS current_unlocked_at,
       pa2.achievement_id AS next_ach,
       pa2.unlocked_at AS next_unlocked_at
FROM gaming_technology.player_achievements pa1
JOIN gaming_technology.player_achievements pa2
  ON pa1.player_id = pa2.player_id
 AND pa2.unlocked_at = (
     SELECT MIN(pa3.unlocked_at)
     FROM gaming_technology.player_achievements pa3
     WHERE pa3.player_id = pa1.player_id
       AND pa3.unlocked_at > pa1.unlocked_at
 )
WHERE pa2.unlocked_at - pa1.unlocked_at < INTERVAL '48 hours';

[User] Order the results by player_id and current_unlocked_at ascending.

[Assistant]
SELECT pa1.player_id,
       pa1.achievement_id AS current_ach,
       pa1.unlocked_at AS current_unlocked_at,
       pa2.achievement_id AS next_ach,
       pa2.unlocked_at AS next_unlocked_at
FROM gaming_technology.player_achievements pa1
JOIN gaming_technology.player_achievements pa2
  ON pa1.player_id = pa2.player_id
 AND pa2.unlocked_at = (
     SELECT MIN(pa3.unlocked_at)
     FROM gaming_technology.player_achievements pa3
     WHERE pa3.player_id = pa1.player_id
       AND pa3.unlocked_at > pa1.unlocked_at
 )
WHERE pa2.unlocked_at - pa1.unlocked_at < INTERVAL '48 hours'
ORDER BY pa1.player_id ASC, pa1.unlocked_at ASC;

[User] Finally, limit to 20 rows.

[Assistant]
SELECT pa1.player_id,
       pa1.achievement_id AS current_ach,
       pa1.unlocked_at AS current_unlocked_at,
       pa2.achievement_id AS next_ach,
       pa2.unlocked_at AS next_unlocked_at
FROM gaming_technology.player_achievements pa1
JOIN gaming_technology.player_achievements pa2
  ON pa1.player_id = pa2.player_id
 AND pa2.unlocked_at = (
     SELECT MIN(pa3.unlocked_at)
     FROM gaming_technology.player_achievements pa3
     WHERE pa3.player_id = pa1.player_id
       AND pa3.unlocked_at > pa1.unlocked_at
 )
WHERE pa2.unlocked_at - pa1.unlocked_at < INTERVAL '48 hours'
ORDER BY pa1.player_id ASC, pa1.unlocked_at ASC
LIMIT 20;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE gaming_technology.player_achievements ( player_achievement_id uuid, player_id uuid, achievement_id uuid, unlocked_at timestamp with time zone )


[User] List pairs of block IDs where the second block is the direct successor of the first block (based on previous_block_id) and both blocks were mined on the same calendar day.

[Assistant] SELECT b1.block_id AS block_id_1, b2.block_id AS block_id_2 FROM blockchain.blocks b1 JOIN blockchain.blocks b2 ON b1.block_id = b2.previous_block_id WHERE DATE(b1.timestamp) = DATE(b2.timestamp);

[User] Great. Now, include the timestamp for both blocks and calculate the time difference between them in seconds. Only show pairs where the time difference is less than 300 seconds (5 minutes).

[Assistant] SELECT b1.block_id AS block_id_1, b2.block_id AS block_id_2, b1.timestamp AS timestamp_1, b2.timestamp AS timestamp_2, EXTRACT(EPOCH FROM (b2.timestamp - b1.timestamp)) AS time_diff_seconds FROM blockchain.blocks b1 JOIN blockchain.blocks b2 ON b1.block_id = b2.previous_block_id WHERE DATE(b1.timestamp) = DATE(b2.timestamp) AND EXTRACT(EPOCH FROM (b2.timestamp - b1.timestamp)) < 300;

[User] Actually, instead of seconds, show the time difference in minutes, rounded to 2 decimal places. Also, order the results by the time difference ascending.

[Assistant] SELECT b1.block_id AS block_id_1, b2.block_id AS block_id_2, b1.timestamp AS timestamp_1, b2.timestamp AS timestamp_2, ROUND(EXTRACT(EPOCH FROM (b2.timestamp - b1.timestamp)) / 60.0, 2) AS time_diff_minutes FROM blockchain.blocks b1 JOIN blockchain.blocks b2 ON b1.block_id = b2.previous_block_id WHERE DATE(b1.timestamp) = DATE(b2.timestamp) AND EXTRACT(EPOCH FROM (b2.timestamp - b1.timestamp)) < 300 ORDER BY time_diff_minutes ASC;

[User] Finally, include the difficulty level for both blocks in the result.

[Assistant] SELECT b1.block_id AS block_id_1, b2.block_id AS block_id_2, b1.timestamp AS timestamp_1, b2.timestamp AS timestamp_2, ROUND(EXTRACT(EPOCH FROM (b2.timestamp - b1.timestamp)) / 60.0, 2) AS time_diff_minutes, b1.difficulty AS difficulty_1, b2.difficulty AS difficulty_2 FROM blockchain.blocks b1 JOIN blockchain.blocks b2 ON b1.block_id = b2.previous_block_id WHERE DATE(b1.timestamp) = DATE(b2.timestamp) AND EXTRACT(EPOCH FROM (b2.timestamp - b1.timestamp)) < 300 ORDER BY time_diff_minutes ASC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE blockchain.blocks (
    block_id character varying(64) NOT NULL,  -- unique identifier for the block
    previous_block_id character varying(64), -- identifier of the previous block
    timestamp timestamp NOT NULL, -- time when the block was mined
    nonce integer NOT NULL, -- nonce value used in the proof of work
    merkle_root character varying(128) NOT NULL, -- root of the Merkle tree for transactions
    difficulty integer NOT NULL, -- difficulty level of the block
    PRIMARY KEY (block_id)
)


[User] Find the top 5 ERC20 tokens by number of approval events in `erc20_approval`. Show `contract_address`, `symbol`, and `total_approvals`.

[Assistant]
SELECT ea.contract_address,
       tm.symbol,
       COUNT(*) AS total_approvals
FROM erc20_approval ea
JOIN token_metas tm ON ea.contract_address = tm.contract_address
WHERE tm.is_erc20 = 1
GROUP BY ea.contract_address, tm.symbol
ORDER BY total_approvals DESC
LIMIT 5;

[User] Also include `decimals` for each token.

[Assistant]
SELECT ea.contract_address,
       tm.symbol,
       tm.decimals,
       COUNT(*) AS total_approvals
FROM erc20_approval ea
JOIN token_metas tm ON ea.contract_address = tm.contract_address
WHERE tm.is_erc20 = 1
GROUP BY ea.contract_address, tm.symbol, tm.decimals
ORDER BY total_approvals DESC
LIMIT 5;

[User] Only include tokens where `is_proxy = 0`.

[Assistant]
SELECT ea.contract_address,
       tm.symbol,
       tm.decimals,
       COUNT(*) AS total_approvals
FROM erc20_approval ea
JOIN token_metas tm ON ea.contract_address = tm.contract_address
WHERE tm.is_erc20 = 1
  AND tm.is_proxy = 0
GROUP BY ea.contract_address, tm.symbol, tm.decimals
ORDER BY total_approvals DESC
LIMIT 5;

[User] Now add the latest USD price for each token by joining `token_prices` using the most recent timestamp per address.

[Assistant]
SELECT ea.contract_address,
       tm.symbol,
       tm.decimals,
       COUNT(*) AS total_approvals,
       tp.price AS latest_price
FROM erc20_approval ea
JOIN token_metas tm ON ea.contract_address = tm.contract_address
LEFT JOIN token_prices tp
  ON tp.address = tm.contract_address
  AND tp.timestamp = (
    SELECT MAX(tp2.timestamp)
    FROM token_prices tp2
    WHERE tp2.address = tm.contract_address
  )
WHERE tm.is_erc20 = 1
  AND tm.is_proxy = 0
GROUP BY ea.contract_address, tm.symbol, tm.decimals, tp.price
ORDER BY total_approvals DESC
LIMIT 5;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE token_metas ( block_timestamp.timestamp, block_number.bigint, transaction_hash.text, transaction_index.bigint, from_address.text, contract_address.text, symbol.text, total_supply.text, name.text, decimals.bigint, is_erc20.integer, is_erc721.integer, is_erc1155.integer, is_proxy.integer, extra_info.text, pk.integer )
CREATE TABLE erc1155_approval_for_all (
    block_number bigint NOT NULL, -- Block number containing the transaction
    block_timestamp timestamp(3) NOT NULL, -- Timestamp of the block containing the transaction
    transaction_index integer NOT NULL, -- Index of the transaction within the block
    transaction_hash varchar(66) NOT NULL, -- Transaction hash
    log_index integer NOT NULL, -- Log index
    contract_address varchar(42) NOT NULL  -- Event contract address
)
CREATE TABLE nft_holders ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, token_id varchar NOT NULL, contract_type varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE sui_coins ( object_id varchar NOT NULL, status varchar NOT NULL, coin_type varchar NOT NULL, balance varchar NOT NULL, owner varchar NOT NULL )
CREATE TABLE sui_coins_metadata (
    object_id varchar NOT NULL, -- object id of the coin metadata object
    coin_type varchar NOT NULL, -- coin type, eg. 0x...66::reap_token::REAP_TOKEN
    status varchar NOT NULL, -- coin status, eg. exists, deleted
    decimals bigint NOT NULL, -- decimals of the coin
    description varchar NOT NULL, -- description of the coin
    icon_url varchar NOT NULL, -- icon url of the coin
    symbol varchar NOT NULL, -- symbol of the coin
    name varchar NOT NULL  -- name of the coin
)
CREATE TABLE nft_metadata ( blockchain text, contract_address text, token_id text, contract_name text, erc_type text, amount bigint, minter text, owner text, mint_block_number bigint, mint_time bigint, mint_transaction_hash text, mint_price text, token_uri text, metadata text, name text, image_uri text, traits text, updated_at bigint, status text, rarity_score real, rarity_rank integer, unique_attribute_count integer, pk integer )
CREATE TABLE token_prices ( uuid text, blockchain text, address text, decimals bigint, symbol text, price real, timestamp timestamp )
CREATE TABLE erc20_approval ( block_number bigint NOT NULL, block_timestamp timestamp(6) NOT NULL, transaction_index integer NOT NULL, transaction_hash varchar NOT NULL, log_index integer NOT NULL, contract_address varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE token_balances ( block_number.bigint, block_timestamp.timestamp, tick.text, wallet_address.text, total_supply.decimal, amount.decimal )
CREATE TABLE token_info (
    block_timestamp timestamp(3) NOT NULL, -- Timestamp of the block containing the inscription (matches block_timestamp in transactions table)
    block_number bigint NOT NULL, -- Block number containing the inscription (matches block_number in transactions table)
    tx_index integer NOT NULL, -- Index of the transaction containing the inscription (matches transaction_index in transactions table)
    tx_hash varchar(66) NOT NULL, -- Unique identifier of the transaction containing the inscription (matches hash in transactions table)
    tick varchar NOT NULL, -- Token tick
    max_supply decimal(38,0) NOT NULL, -- Max supply
    lim decimal(38,0) NOT NULL, -- Limit of each mint
    wlim decimal(38,0) NOT NULL, -- Limit of each address can maximum mint
    dec integer NOT NULL, -- Decimal for minimum divie
    creator varchar(42) NOT NULL  -- Address originating the inscription (matches from_address in transactions table)
)
CREATE TABLE mud_holesky_redstone (
    address varchar NOT NULL, -- address fields for the functionType  in contract
    table_id varchar NOT NULL, -- table_id fields for the functionType  in contract
    key_bytes varchar NOT NULL, -- key_bytes fields for the functionType  in contract
    key0 varchar NOT NULL, -- key0 fields for the functionType  in contract
    key1 varchar NOT NULL, -- key1 fields for the functionType  in contract
    static_data varchar NOT NULL, -- static_data fields for the functionType  in contract
    encoded_lengths varchar NOT NULL, -- encoded_lengths fields for the functionType  in contract
    dynamic_data varchar NOT NULL, -- dynamic_data fields for the functionType  in contract
    is_deleted boolean NOT NULL, -- is_deleted fields for the functionType  in contract
    block_number bigint NOT NULL, -- Block number uniquely identifying the block
    log_index bigint NOT NULL  -- Index of the log within the transaction
)
CREATE TABLE token_info_bitcoin ( block_timestamp.timestamp, block_number.bigint, tx_index.integer, tx_hash.text, tick.text, max_supply.decimal, lim.decimal, wlim.decimal, dec.integer, creator.text )
CREATE TABLE token_activities_bitcoin ( block_timestamp timestamp, block_number bigint, tx_index integer, tx_hash text, log_index integer, type text, tick text, id text, amt decimal, from_address text, to_address text )
CREATE TABLE token_balances_avalanche ( block_number bigint, block_timestamp timestamp, tick varchar, wallet_address varchar, total_supply decimal, amount decimal )


[User] I need to find all bookings for a specific schedule with schedule_id 'sched_1122' and include the passenger and ticket details.

[Assistant]
SMEMBERS schedule:sched_1122:bookings
HGETALL booking:book_*
HGETALL passenger:pass_*
SMEMBERS booking:book_*:tickets
HGETALL ticket:tkt_*

[User] Can you filter the tickets to show only those that are not checked in?

[Assistant]
SMEMBERS schedule:sched_1122:bookings
HGETALL booking:book_*
HGETALL passenger:pass_*
SMEMBERS booking:book_*:tickets
HGET ticket:tkt_* is_checked_in
IF is_checked_in == 0 THEN
HGETALL ticket:tkt_*
ENDIF

[User] Can you also include the car details for each ticket?

[Assistant]
SMEMBERS schedule:sched_1122:bookings
HGETALL booking:book_*
HGETALL passenger:pass_*
SMEMBERS booking:book_*:tickets
HGET ticket:tkt_* is_checked_in
IF is_checked_in == 0 THEN
HGETALL ticket:tkt_*
HGET ticket:tkt_* car_id
HGETALL car:car_*
ENDIF

System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
// Use Hashes for platform details. Key format: platform:<platform_id>
// HSET platform:plat_123 platform_id "plat_123" station_id "station_xyz" platform_number "1A" track_number "T1" status "Operational" length_meters 250.50 accessible 1

// To link platforms to stations (optional):
// SADD station:station_xyz:platforms platform:plat_123 platform:plat_456
// Use Hashes for train details. Key format: train:<train_id>
// HSET train:train_789 train_id "train_789" train_number "Acela 2151" model "Siemens Velaro" ... status "Active" ...

// To find train by train_number (optional index):
// SET train_number:"Acela 2151" train:train_789
// Use Hashes for car details. Key format: car:<car_id>
// HSET car:car_abc car_id "car_abc" train_id "train_789" car_number "C3" car_type "Passenger" class "Business" capacity 60 features "WiFi,Power Outlet"

// To link cars to trains (optional):
// SADD train:train_789:cars car:car_abc car:car_def
// Use Hashes for details. Key format: route_station:<route_station_id>
// HSET route_station:rs_ne_1 route_station_id "rs_ne_1" route_id "route_ne_corr" station_id "station_bos" sequence_order 1 ...

// To find stops for a route, use a Sorted Set (score by sequence_order):
// ZADD route:route_ne_corr:stops 1 route_station:rs_ne_1
// ZADD route:route_ne_corr:stops 2 route_station:rs_ne_2
// Use Hashes for schedule details. Key format: schedule:<schedule_id>
// HSET schedule:sched_1122 schedule_id "sched_1122" train_id "train_789" route_id "route_ne_corr" departure_datetime "2024-05-10T08:00:00-04:00" ... status "Scheduled"
// Use Hashes for details. Key format: schedule_stop:<stop_id>
// HSET schedule_stop:stop_sched1122_1 stop_id "stop_sched1122_1" schedule_id "sched_1122" station_id "station_bos" ...

// To find stops for a schedule, use a Sorted Set (score by sequence_order):
// ZADD schedule:sched_1122:stops 1 schedule_stop:stop_sched1122_1
// ZADD schedule:sched_1122:stops 2 schedule_stop:stop_sched1122_2
// Use Hashes for passenger details. Key format: passenger:<passenger_id>
// HSET passenger:pass_pqr passenger_id "pass_pqr" first_name "Alice" last_name "Smith" email "alice.smith@example.com" ...

// To find passenger by email (optional index):
// SET passenger_email:"alice.smith@example.com" passenger:pass_pqr
// Use Hashes for booking details. Key format: booking:<booking_id>
// HSET booking:book_zyx booking_id "book_zyx" passenger_id "pass_pqr" schedule_id "sched_1122" ... status "Confirmed" ...

// To link bookings to passengers/schedules (optional):
// SADD passenger:pass_pqr:bookings booking:book_zyx
// SADD schedule:sched_1122:bookings booking:book_zyx
// Use Hashes for ticket details. Key format: ticket:<ticket_id>
// HSET ticket:tkt_1a2b ticket_id "tkt_1a2b" booking_id "book_zyx" car_id "car_abc" seat_number "12A" ... is_checked_in 0 ...

// To link tickets to bookings (optional):
// SADD booking:book_zyx:tickets ticket:tkt_1a2b
// Use Hashes for staff details. Key format: staff:<staff_id>
// HSET staff:staff_mno staff_id "staff_mno" first_name "Bob" ... employee_number "E12345" ... is_active 1

// To find staff by employee number (optional index):
// SET staff_employee_number:"E12345" staff:staff_mno
// Use Hashes for maintenance record details. Key format: maintenance_record:<record_id>
// HSET maintenance_record:maint_rec_001 record_id "maint_rec_001" asset_id "train_789" asset_type "Train" ... status "Completed"

// To link records to assets (optional):
// SADD train:train_789:maintenance maintenance_record:maint_rec_001
// SADD platform:plat_123:maintenance maintenance_record:maint_rec_002


[User] Count how many posts have media attachments.

[Assistant] SELECT count(*) FROM social_media.posts WHERE media_url IS NOT NULL

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.users ( user_id text PRIMARY KEY, username text, email text, password_hash text, full_name text, profile_picture_url text, bio text, location text, created_at timestamp, updated_at timestamp, is_verified bool )
CREATE TABLE social_media.posts ( post_id.text, user_id.text, content.text, media_url.text, media_type.text, created_at.timestamp, updated_at.timestamp, visibility.text, location_lat.numeric, location_lon.numeric )
CREATE TABLE social_media.comments ( comment_id text PRIMARY KEY, post_id text, user_id text, parent_comment_id text, content text, created_at timestamp, updated_at timestamp )
CREATE TABLE social_media.follows ( follow_id text PRIMARY KEY, follower_user_id text, following_user_id text, created_at timestamp )
CREATE TABLE social_media.hashtags ( hashtag_id.text, tag_name.text, created_at.timestamp )
CREATE TABLE social_media.post_hashtags ( post_hashtag_id character varying(64) NOT NULL, post_id character varying(64) NOT NULL, hashtag_id character varying(64) NOT NULL, PRIMARY KEY (post_hashtag_id), CONSTRAINT unique_post_hashtag UNIQUE (post_id, hashtag_id) )
CREATE TABLE social_media.messages ( message_id text PRIMARY KEY, conversation_id text, sender_user_id text, content text, media_url text, media_type text, sent_at timestamp, read_at timestamp )
CREATE TABLE social_media.conversations ( conversation_id text, created_at timestamp, last_message_at timestamp, is_group_chat boolean, group_name text )
CREATE TABLE social_media.conversation_participants ( participant_id text, conversation_id text, user_id text, joined_at timestamp, last_read_at timestamp )
CREATE TABLE social_media.notifications (
    notification_id character varying(64) NOT NULL, -- unique identifier for the notification
    recipient_user_id character varying(64) NOT NULL, -- user receiving the notification (FK to users.user_id)
    sender_user_id character varying(64), -- user triggering the notification (FK to users.user_id, can be null for system notifications)
    notification_type character varying(30) NOT NULL, -- type of notification ('like', 'comment', 'follow', 'mention', 'message')
    target_entity_id character varying(64), -- ID of the related entity (post_id, comment_id, user_id, conversation_id)
    target_entity_type character varying(20), -- type of the related entity ('post', 'comment', 'user', 'conversation')
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp notification was created
    read_at timestamp, -- timestamp notification was marked as read
    PRIMARY KEY (notification_id)
)
CREATE TABLE social_media.user_settings ( setting_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL UNIQUE, theme character varying(20) DEFAULT 'light', email_notifications_enabled boolean DEFAULT true, push_notifications_enabled boolean DEFAULT true, private_profile boolean DEFAULT false, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (setting_id) )


[User] List all medical records, showing the record ID, record date, and the full name of the doctor who created the record. Include the patient ID as well.

[Assistant] SELECT mr.record_id, mr.record_date, mr.patient_id, d.first_name, d.last_name FROM healthcare.medical_records mr JOIN doctors d ON mr.doctor_id = d.doctor_id;

[User] Refine this to only include records where the chief_complaint is not null or empty and the doctor's specialty is 'Cardiology'.

[Assistant] SELECT mr.record_id, mr.record_date, mr.patient_id, d.first_name, d.last_name FROM healthcare.medical_records mr JOIN doctors d ON mr.doctor_id = d.doctor_id WHERE (mr.chief_complaint IS NOT NULL AND mr.chief_complaint != '') AND d.specialty = 'Cardiology';

[User] Also, sort the results by record_date in descending order and limit the output to the top 10 records.

[Assistant] SELECT mr.record_id, mr.record_date, mr.patient_id, d.first_name, d.last_name FROM healthcare.medical_records mr JOIN doctors d ON mr.doctor_id = d.doctor_id WHERE (mr.chief_complaint IS NOT NULL AND mr.chief_complaint != '') AND d.specialty = 'Cardiology' ORDER BY mr.record_date DESC LIMIT 10;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.medical_records (
    record_id character varying(64) NOT NULL,  -- unique identifier for the medical record entry
    patient_id character varying(64) NOT NULL, -- FK to patients table
    appointment_id character varying(64) UNIQUE, -- FK to appointments table (can be null if record not tied to specific appt)
    doctor_id character varying(64) NOT NULL, -- FK to doctors table (doctor creating the record)
    record_date timestamp with time zone NOT NULL, -- date the record/observation was made
    chief_complaint text, -- patient's primary reason for visit
    present_illness_history text, -- detailed history of the current issue
    past_medical_history text, -- relevant past conditions/surgeries
    physical_examination_notes text, -- findings from the physical exam
    assessment text, -- doctor's assessment/diagnosis summary
    treatment_plan text, -- planned course of action
    vitals jsonb, -- store vitals like BP, HR, Temp as structured JSON
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (record_id)
)


[User] Show the full names and contact emails of all citizens who have applied for services with a standard fee greater than 100.

[Assistant]
SELECT c.first_name || ' ' || c.last_name AS full_name, c.contact_email
FROM government_services.citizens c
JOIN government_services.services s ON c.citizen_id IS NOT NULL -- Replace with actual application linking table if exists
WHERE s.standard_fee > 100;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.citizens ( citizen_id character varying(64) NOT NULL, national_id_number character varying(128) NOT NULL UNIQUE, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, date_of_birth date NOT NULL, gender character varying(20), primary_address text NOT NULL, contact_email character varying(128) UNIQUE, contact_phone character varying(32), registration_date timestamp NOT NULL, is_verified boolean DEFAULT false, PRIMARY KEY (citizen_id) )
CREATE TABLE government_services.services ( service_id.text, agency_id.text, service_name.text, description.text, category.text, eligibility_criteria.text, standard_fee.numeric, average_processing_time_days.integer, is_active.boolean, online_application_url.text )


[User] How many unread notifications are there with the type 'mention'?

[Assistant] SELECT COUNT(*) FROM social_media.notifications WHERE read_at IS NULL AND notification_type = 'mention';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.conversations ( conversation_id text PRIMARY KEY, created_at timestamp, last_message_at timestamp, is_group_chat bool, group_name text )
CREATE TABLE social_media.notifications (
    notification_id character varying(64) NOT NULL, -- unique identifier for the notification
    recipient_user_id character varying(64) NOT NULL, -- user receiving the notification (FK to users.user_id)
    sender_user_id character varying(64), -- user triggering the notification (FK to users.user_id, can be null for system notifications)
    notification_type character varying(30) NOT NULL, -- type of notification ('like', 'comment', 'follow', 'mention', 'message')
    target_entity_id character varying(64), -- ID of the related entity (post_id, comment_id, user_id, conversation_id)
    target_entity_type character varying(20), -- type of the related entity ('post', 'comment', 'user', 'conversation')
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp notification was created
    read_at timestamp, -- timestamp notification was marked as read
    PRIMARY KEY (notification_id)
)


[User] What are the specific tools or equipment used during the maintenance with record_id 'REC456'?

[Assistant] I'm sorry, but I can't provide information about the specific tools or equipment used during a maintenance record. The data in the maintenance_records table does not include details about tools or equipment used.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE train_station_management.maintenance_records ( record_id text PRIMARY KEY, asset_id text, asset_type text, maintenance_type text, staff_id text, start_datetime timestamp, end_datetime timestamp, description text, cost numeric, status text )


[User] List all patients who have insurance plans with group numbers, showing their patient IDs and the count of such plans per patient.

[Assistant] SELECT patient_id, COUNT(*) AS plan_count FROM healthcare.patient_insurance WHERE group_number IS NOT NULL GROUP BY patient_id;

[User] Actually, I only need patients who have more than 2 such plans.

[Assistant] SELECT patient_id, COUNT(*) AS plan_count FROM healthcare.patient_insurance WHERE group_number IS NOT NULL GROUP BY patient_id HAVING COUNT(*) > 2;

[User] Can you also include the earliest effective date among these plans for each patient?

[Assistant] SELECT patient_id, COUNT(*) AS plan_count, MIN(effective_date) AS earliest_effective_date FROM healthcare.patient_insurance WHERE group_number IS NOT NULL GROUP BY patient_id HAVING COUNT(*) > 2;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.patient_insurance (
    patient_insurance_id character varying(64) NOT NULL, -- unique identifier for this patient-plan link
    patient_id character varying(64) NOT NULL, -- FK to patients table
    plan_id character varying(64) NOT NULL, -- FK to insurance_plans table
    policy_number character varying(100) NOT NULL, -- patient's policy number
    group_number character varying(100), -- group number, if applicable
    subscriber_name character varying(200), -- name of the primary policy holder
    effective_date date NOT NULL, -- date the coverage begins
    expiration_date date, -- date the coverage ends (if known)
    is_primary boolean NOT NULL DEFAULT true, -- indicates if this is the primary insurance
    PRIMARY KEY (patient_insurance_id),
    UNIQUE (patient_id, plan_id, policy_number) -- ensure a patient doesn't have the same policy twice
)


[User] Show me each guest's full name and the number of unique properties they have made reservations for.

[Assistant]
SELECT g.first_name || ' ' || g.last_name AS full_name,
       COUNT(DISTINCT r.property_id) AS property_count
FROM hospitality_technology.guests g
JOIN hospitality_technology.reservations r
  ON g.guest_id = r.guest_id
GROUP BY full_name;

[User] Only include guests who have booked at least 2 different properties.

[Assistant]
SELECT g.first_name || ' ' || g.last_name AS full_name,
       COUNT(DISTINCT r.property_id) AS property_count
FROM hospitality_technology.guests g
JOIN hospitality_technology.reservations r
  ON g.guest_id = r.guest_id
GROUP BY full_name
HAVING COUNT(DISTINCT r.property_id) >= 2;

[User] Also calculate their average total_amount per reservation and sort by that average in descending order.

[Assistant]
SELECT g.first_name || ' ' || g.last_name AS full_name,
       COUNT(DISTINCT r.property_id) AS property_count,
       AVG(r.total_amount)       AS avg_total_per_reservation
FROM hospitality_technology.guests g
JOIN hospitality_technology.reservations r
  ON g.guest_id = r.guest_id
GROUP BY full_name
HAVING COUNT(DISTINCT r.property_id) >= 2
ORDER BY avg_total_per_reservation DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.properties ( property_id character varying(64) NOT NULL, property_name character varying(255) NOT NULL, address_line1 character varying(255) NOT NULL, address_line2 character varying(255), city character varying(100) NOT NULL, state_province character varying(100), postal_code character varying(20) NOT NULL, country_code character varying(3) NOT NULL, phone_number character varying(30), email_address character varying(255), property_type character varying(50) NOT NULL, star_rating numeric(2,1), timezone character varying(64) NOT NULL, manager_staff_id character varying(64), created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (property_id) )
CREATE TABLE hospitality_technology.rooms ( room_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, room_number character varying(10) NOT NULL, room_type_id character varying(64) NOT NULL, floor integer, status character varying(50) NOT NULL, is_smoking boolean NOT NULL DEFAULT false, features text, current_condition text, last_cleaned_at timestamp with time zone, PRIMARY KEY (room_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id), FOREIGN KEY (room_type_id) REFERENCES hospitality_technology.room_types(room_type_id) )
CREATE TABLE hospitality_technology.room_types ( room_type_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, type_name character varying(100) NOT NULL, description text, base_rate numeric(10, 2) NOT NULL, max_occupancy integer NOT NULL, bed_type character varying(50), area_sqft numeric(8,2), amenities text, PRIMARY KEY (room_type_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id) )
CREATE TABLE hospitality_technology.guests ( guest_id character varying(64) NOT NULL, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, email character varying(255) UNIQUE, phone_number character varying(30), date_of_birth date, address_line1 character varying(255), city character varying(100), state_province character varying(100), postal_code character varying(20), country_code character varying(3), preferences text, loyalty_member_id character varying(64) UNIQUE, communication_consent boolean DEFAULT true, created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (guest_id) )
CREATE TABLE hospitality_technology.reservations ( reservation_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, guest_id character varying(64) NOT NULL, room_id character varying(64), room_type_id character varying(64) NOT NULL, check_in_date date NOT NULL, check_out_date date NOT NULL, actual_check_in_ts timestamp with time zone, actual_check_out_ts timestamp with time zone, num_adults integer NOT NULL, num_children integer DEFAULT 0, status character varying(50) NOT NULL, booking_source character varying(100), rate_plan_id character varying(64), total_amount numeric(12, 2), amount_paid numeric(12, 2) DEFAULT 0.00, special_requests text, created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (reservation_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (room_id) REFERENCES hospitality_technology.rooms(room_id), FOREIGN KEY (room_type_id) REFERENCES hospitality_technology.room_types(room_type_id) )
CREATE TABLE hospitality_technology.payments ( payment_id character varying(64) NOT NULL, reservation_id character varying(64), guest_id character varying(64) NOT NULL, bill_id character varying(64), amount numeric(12,2) NOT NULL, currency_code character varying(3) NOT NULL, payment_method character varying(50) NOT NULL, card_type character varying(50), card_last_four character varying(4), transaction_ref character varying(128), payment_timestamp timestamp with time zone NOT NULL DEFAULT current_timestamp, status character varying(50) NOT NULL, staff_id_processed character varying(64), notes text, PRIMARY KEY (payment_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (staff_id_processed) REFERENCES hospitality_technology.staff(staff_id) )
CREATE TABLE hospitality_technology.reviews ( review_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, reservation_id character varying(64) UNIQUE, guest_id character varying(64) NOT NULL, rating_overall integer, rating_cleanliness integer, rating_service integer, rating_location integer, rating_value integer, comment text, review_source character varying(100), review_date timestamp with time zone NOT NULL DEFAULT current_timestamp, is_public boolean DEFAULT true, staff_response text, response_staff_id character varying(64), response_date timestamp with time zone, PRIMARY KEY (review_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (response_staff_id) REFERENCES hospitality_technology.staff(staff_id) )


[User] I'd like to see, for each month, the total number of players who registered and how many of them are active versus inactive.

[Assistant]
SELECT DATE_TRUNC('month', registration_date) AS month,
       COUNT(*) AS total_registrations,
       COUNT(*) FILTER (WHERE status = 'active')   AS active_count,
       COUNT(*) FILTER (WHERE status = 'inactive') AS inactive_count
FROM gaming_technology.players
GROUP BY month;

[User] Actually, limit this to registrations from January 1, 2022 onwards.

[Assistant]
SELECT DATE_TRUNC('month', registration_date) AS month,
       COUNT(*) AS total_registrations,
       COUNT(*) FILTER (WHERE status = 'active')   AS active_count,
       COUNT(*) FILTER (WHERE status = 'inactive') AS inactive_count
FROM gaming_technology.players
WHERE registration_date >= '2022-01-01'
GROUP BY month;

[User] Also, I'd like to calculate the active percentage per month as active_count * 100.0 / total_registrations.

[Assistant]
SELECT DATE_TRUNC('month', registration_date) AS month,
       COUNT(*) AS total_registrations,
       COUNT(*) FILTER (WHERE status = 'active')   AS active_count,
       COUNT(*) FILTER (WHERE status = 'inactive') AS inactive_count,
       ROUND(
         COUNT(*) FILTER (WHERE status = 'active') * 100.0 /
         NULLIF(COUNT(*),0), 2
       ) AS active_percentage
FROM gaming_technology.players
WHERE registration_date >= '2022-01-01'
GROUP BY month;

[User] Finally, please sort the output by month in ascending order.

[Assistant]
SELECT DATE_TRUNC('month', registration_date) AS month,
       COUNT(*) AS total_registrations,
       COUNT(*) FILTER (WHERE status = 'active')   AS active_count,
       COUNT(*) FILTER (WHERE status = 'inactive') AS inactive_count,
       ROUND(
         COUNT(*) FILTER (WHERE status = 'active') * 100.0 /
         NULLIF(COUNT(*),0), 2
       ) AS active_percentage
FROM gaming_technology.players
WHERE registration_date >= '2022-01-01'
GROUP BY month
ORDER BY month ASC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE gaming_technology.players ( player_id uuid PRIMARY KEY, username text, email text, password_hash text, registration_date timestamptz, last_login timestamptz, country_code text, status text, profile_data jsonb )


[User] Show me the number of guests for each city they reside in.

[Assistant] SELECT city, count(*) AS guest_count FROM hospitality_technology.guests WHERE city IS NOT NULL GROUP BY city;

[User] Now, only show cities with more than 10 guests and order the results by the guest count in descending order.

[Assistant] SELECT city, count(*) AS guest_count FROM hospitality_technology.guests WHERE city IS NOT NULL GROUP BY city HAVING count(*) > 10 ORDER BY guest_count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.guests ( guest_id text PRIMARY KEY, first_name text, last_name text, email text, phone_number text, date_of_birth date, address_line1 text, city text, state_province text, postal_code text, country_code text, preferences text, loyalty_member_id text, communication_consent boolean, created_at timestamp, updated_at timestamp )


[User] Show me the number of service orders placed for each service category.

[Assistant]
SELECT s.category, COUNT(so.order_id) AS order_count
FROM hospitality_technology.service_orders so
JOIN hospitality_technology.services s ON so.service_id = s.service_id
GROUP BY s.category;

[User] Only include categories with more than 10 orders and order by order_count descending.

[Assistant]
SELECT s.category, COUNT(so.order_id) AS order_count
FROM hospitality_technology.service_orders so
JOIN hospitality_technology.services s ON so.service_id = s.service_id
GROUP BY s.category
HAVING COUNT(so.order_id) > 10
ORDER BY order_count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.guests ( guest_id text PRIMARY KEY, first_name text, last_name text, email text, phone_number text, date_of_birth date, address_line1 text, city text, state_province text, postal_code text, country_code text, preferences text, loyalty_member_id text, communication_consent boolean, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.reservations ( reservation_id text PRIMARY KEY, property_id text, guest_id text, room_id text, room_type_id text, check_in_date date, check_out_date date, actual_check_in_ts timestamp, actual_check_out_ts timestamp, num_adults int, num_children int, status text, booking_source text, rate_plan_id text, total_amount numeric, amount_paid numeric, special_requests text, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.staff ( staff_id text PRIMARY KEY, property_id text, first_name text, last_name text, position text, work_email text, work_phone text, hire_date date, termination_date date, is_active boolean, access_level int, manager_id text, created_at timestamp )
CREATE TABLE hospitality_technology.services ( service_id text PRIMARY KEY, property_id text, service_name text, description text, category text, price numeric, unit text, is_available boolean, department text )
CREATE TABLE hospitality_technology.service_orders ( order_id text PRIMARY KEY, reservation_id text, guest_id text, service_id text, staff_id_ordered text, staff_id_delivered text, order_timestamp timestamp, delivery_timestamp timestamp, quantity int, unit_price numeric, total_price numeric, status text, notes text, bill_id text )
CREATE TABLE hospitality_technology.reviews ( review_id text PRIMARY KEY, property_id text, reservation_id text, guest_id text, rating_overall int, rating_cleanliness int, rating_service int, rating_location int, rating_value int, comment text, review_source text, review_date timestamp, is_public boolean, staff_response text, response_staff_id text, response_date timestamp )