[User] Find the total amount paid for all premium payments made in the last 30 days.

[Assistant] SELECT SUM(amount_paid) FROM insurance.premium_payments WHERE payment_date >= CURRENT_DATE - INTERVAL '30 day';

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.policies (
    policy_id character varying(64) NOT NULL, -- unique identifier for the policy
    customer_id character varying(64) NOT NULL, -- identifier for the policyholder (FK to customers)
    product_id character varying(64) NOT NULL, -- identifier for the insurance product (FK to insurance_products)
    agent_id character varying(64), -- identifier for the agent who sold the policy (FK to agents)
    policy_number character varying(100) NOT NULL UNIQUE, -- customer-facing policy number
    start_date date NOT NULL, -- date the policy coverage begins
    end_date date NOT NULL, -- date the policy coverage ends
    premium_amount numeric(12, 2) NOT NULL, -- total premium for the policy term
    coverage_limit numeric(15, 2) NOT NULL, -- maximum amount covered
    deductible numeric(10, 2) NOT NULL, -- amount customer pays before coverage kicks in
    status character varying(30) NOT NULL, -- e.g., Active, Expired, Cancelled, Pending
    issued_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- when the policy was issued
    cancellation_date date,
    cancellation_reason text,
    PRIMARY KEY (policy_id)
)
CREATE TABLE insurance.insurance_products (
    product_id character varying(64) NOT NULL, -- unique identifier for the insurance product
    product_name character varying(150) NOT NULL, -- name of the insurance product (e.g., 'Comprehensive Auto Insurance')
    product_type character varying(50) NOT NULL, -- category like 'Auto', 'Home', 'Life', 'Health', 'Travel'
    description text, -- detailed description of the product
    base_premium numeric(10, 2) NOT NULL, -- starting premium before adjustments
    coverage_details text, -- details about what is covered (could be JSON or structured text)
    underwriting_rules text, -- rules used for assessing risk and eligibility
    is_active boolean NOT NULL DEFAULT true, -- whether the product is currently offered
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at timestamp,
    PRIMARY KEY (product_id)
)
CREATE TABLE insurance.premium_payments (
    payment_id character varying(64) NOT NULL, -- unique identifier for the payment
    policy_id character varying(64) NOT NULL, -- identifier of the policy the payment is for (FK to policies)
    customer_id character varying(64) NOT NULL, -- identifier of the customer making the payment (FK to customers)
    payment_date timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- date the payment was received
    amount_paid numeric(12, 2) NOT NULL, -- amount of the payment
    payment_method character varying(50), -- e.g., Credit Card, Bank Transfer, Check
    transaction_reference character varying(128) UNIQUE, -- reference from payment processor
    due_date date, -- due date for this payment installment
    payment_period_start date, -- start date of the period this payment covers
    payment_period_end date, -- end date of the period this payment covers
    status character varying(30) NOT NULL DEFAULT 'Completed', -- e.g., Completed, Pending, Failed, Refunded
    PRIMARY KEY (payment_id)
)


[User] List all vehicles and their last maintenance service date along with the odometer reading, including only those that have not had a fuel refill in the past 30 days.

[Assistant]
SELECT m.vehicle_id,
       m.last_service_date,
       m.last_odometer
FROM (
  SELECT l.vehicle_id,
         MAX(l.service_date) AS last_service_date,
         (SELECT odometer_reading
          FROM transportation.maintenance_logs
          WHERE vehicle_id = l.vehicle_id
          ORDER BY service_date DESC
          LIMIT 1) AS last_odometer
  FROM transportation.maintenance_logs l
  GROUP BY l.vehicle_id
) AS m
LEFT JOIN (
  SELECT fl.vehicle_id,
         MAX(fl.log_timestamp) AS last_fuel_date
  FROM transportation.fuel_logs fl
  GROUP BY fl.vehicle_id
) AS f ON m.vehicle_id = f.vehicle_id
WHERE COALESCE(f.last_fuel_date, '1900-01-01'::timestamp) < NOW() - INTERVAL '30 days';

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 character varying(64) NOT NULL, route_number character varying(32) NOT NULL UNIQUE, description text, origin_location_id character varying(64) NOT NULL, destination_location_id character varying(64) NOT NULL, distance_km numeric(10, 2), estimated_duration_minutes integer, type character varying(32) NOT NULL, PRIMARY KEY (route_id) )
CREATE TABLE transportation.trips ( trip_id character varying(64) NOT NULL, route_id character varying(64), vehicle_id character varying(64) NOT NULL, driver_id character varying(64) NOT NULL, scheduled_departure timestamp with time zone NOT NULL, actual_departure timestamp with time zone, scheduled_arrival timestamp with time zone NOT NULL, actual_arrival timestamp with time zone, origin_location_id character varying(64) NOT NULL, destination_location_id character varying(64) NOT NULL, status character varying(32) NOT NULL, passenger_count integer, cargo_manifest_id character varying(64), PRIMARY KEY (trip_id) )
CREATE TABLE transportation.locations ( location_id character varying(64) NOT NULL, name character varying(255) NOT NULL, type character varying(64) NOT NULL, address_line1 character varying(255), city character varying(128), state_province character varying(128), postal_code character varying(32), country character varying(64) NOT NULL, latitude numeric(9, 6), longitude numeric(9, 6), timezone character varying(64), PRIMARY KEY (location_id) )
CREATE TABLE transportation.maintenance_logs ( log_id character varying(64) NOT NULL, vehicle_id character varying(64) NOT NULL, service_date date NOT NULL, odometer_reading integer, service_type character varying(128) NOT NULL, description text NOT NULL, cost numeric(10, 2), mechanic_name character varying(128), next_service_due_date date, PRIMARY KEY (log_id) )
CREATE TABLE transportation.fuel_logs ( fuel_log_id character varying(64) NOT NULL, vehicle_id character varying(64) NOT NULL, trip_id character varying(64), log_timestamp timestamp with time zone NOT NULL, fuel_type character varying(32) NOT NULL, quantity numeric(10, 3) NOT NULL, unit character varying(16) NOT NULL, cost_per_unit numeric(8, 4), total_cost numeric(10, 2) NOT NULL, odometer_reading integer, location_id character varying(64), PRIMARY KEY (fuel_log_id) )
CREATE TABLE transportation.passengers ( passenger_id character varying(64) NOT NULL, first_name character varying(128) NOT NULL, last_name character varying(128) NOT NULL, email character varying(128) UNIQUE, phone_number character varying(32) UNIQUE, date_of_birth date, loyalty_program_id character varying(64), created_at timestamp with time zone NOT NULL, PRIMARY KEY (passenger_id) )
CREATE TABLE transportation.bookings ( booking_id character varying(64) NOT NULL, passenger_id character varying(64) NOT NULL, trip_id character varying(64) NOT NULL, seat_number character varying(16), booking_time timestamp with time zone NOT NULL, status character varying(32) NOT NULL, fare numeric(10, 2) NOT NULL, payment_transaction_id character varying(128), special_requests text, PRIMARY KEY (booking_id) )


[User] List all ERC20 tokens where the price is between $1 and $10, including their names, symbols, and contract addresses.

[Assistant] SELECT tm.name, tm.symbol, tm.contract_address FROM token_metas tm JOIN token_prices_latest tpl ON tm.contract_address = tpl.contract_address WHERE tm.is_erc20 = 1 AND tpl.price BETWEEN 1 AND 10;

[User] I think there's an error in your query - the token_prices_latest table isn't in the schema. Can you modify it to use the token_balances table instead?

[Assistant] SELECT tm.name, tm.symbol, tm.contract_address FROM token_metas tm JOIN token_balances tb ON tm.contract_address = tb.wallet_address WHERE tm.is_erc20 = 1 AND CAST(tb.amount AS decimal) BETWEEN 1 AND 10;

[User] That doesn't seem right either. Let's just get the basic ERC20 token information without price filtering for now.

[Assistant] SELECT name, symbol, contract_address FROM token_metas WHERE is_erc20 = 1 LIMIT 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 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_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, contract_address text, wallet_address text, amount text, pk integer )
CREATE TABLE nft_holders ( block_number bigint, contract_address text, wallet_address text, token_id text, contract_type text, amount text, pk text )
CREATE TABLE nft_holder_historical ( block_number.bigint, contract_address.text, wallet_address.text, token_id.text, contract_type.text, amount.text, pk.integer )
CREATE TABLE sui_nfts ( object_id text, status text, collection_type text, package_id text, previous_transaction text, display text, owner text, name text )
CREATE TABLE nft_collections ( blockchain text, contract_address text, name text, symbol text, deploy_block_number bigint, deploy_block_time bigint, erc_type text, owner text, traits text, description text, slug text, media_info text, image_url text, banner_image_url text, updated_at bigint, banner text, token_count bigint, floor_price text, floor_price_symbol text, floor_price_contract text, pk integer )
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 token_activities ( block_timestamp timestamp, block_number bigint, tx_index integer, tx_hash varchar, log_index integer, type varchar, tick varchar, id varchar, amt decimal, from_address varchar, to_address varchar )
CREATE TABLE mud_holesky_redstone ( address varchar NOT NULL, table_id varchar NOT NULL, key_bytes varchar NOT NULL, key0 varchar NOT NULL, key1 varchar NOT NULL, static_data varchar NOT NULL, encoded_lengths varchar NOT NULL, dynamic_data varchar NOT NULL, is_deleted boolean NOT NULL, block_number bigint NOT NULL, log_index bigint NOT NULL )
CREATE TABLE token_balances_bitcoin ( block_number bigint, block_timestamp timestamp, tick varchar, wallet_address varchar, total_supply varchar, amount varchar )
CREATE TABLE token_info_bitcoin ( block_timestamp timestamp, block_number bigint, tx_index integer, tx_hash varchar, tick varchar, max_supply decimal, lim decimal, wlim decimal, dec integer, creator varchar )
CREATE TABLE token_activities_avalanche ( 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 NOT NULL, -- Block number containing the transaction
    block_timestamp timestamp(3) NOT NULL, -- Block timestamp containing the transaction
    tick varchar(20) NOT NULL, -- Ticker: Identifier of the inscription
    wallet_address varchar(42) NOT NULL, -- Address of owner
    total_supply decimal(38,0) NOT NULL, -- Max supply: Set max supply of the inscription
    amount decimal(38,0) NOT NULL  -- The balance of wallet balance at the corresponding block height
)
CREATE TABLE token_info_avalanche ( block_timestamp timestamp, block_number bigint, tx_index integer, tx_hash varchar, tick varchar, max_supply decimal, lim decimal, wlim decimal, dec integer, creator varchar, minted decimal, holders decimal, txs decimal, updated_timestamp timestamp, completed_timestamp timestamp, id varchar )


[User] For each vehicle, list its vehicle_id, license_plate, and any older vehicle of the same type (showing older_vehicle_id and older year).

[Assistant]
SELECT cur.vehicle_id,
       cur.license_plate,
       old.vehicle_id AS older_vehicle_id,
       old.year       AS older_vehicle_year
FROM transportation.vehicles cur
JOIN transportation.vehicles old
  ON cur.type = old.type
 AND old.year < cur.year
ORDER BY cur.vehicle_id, old.year 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 character varying(64) NOT NULL,  -- unique identifier for the vehicle
    license_plate character varying(32) NOT NULL UNIQUE, -- vehicle license plate
    vin character varying(17) UNIQUE, -- vehicle identification number
    make character varying(64) NOT NULL, -- manufacturer of the vehicle
    model character varying(64) NOT NULL, -- model of the vehicle
    year integer NOT NULL, -- manufacturing year
    type character varying(32) NOT NULL, -- type of vehicle (e.g., Bus, Train, Truck, Car, Van)
    capacity integer, -- passenger or cargo capacity
    fuel_type character varying(32) NOT NULL, -- e.g., Diesel, Gasoline, Electric, Hydrogen
    status character varying(32) NOT NULL, -- e.g., Active, Maintenance, Decommissioned
    depot_id character varying(64), -- identifier of the home depot/base
    acquisition_date date, -- date the vehicle was acquired
    PRIMARY KEY (vehicle_id)
)


[User] What is the performance review score for employee with ID 'EMP456' for the last quarter?

[Assistant] I'm sorry, but I can't assist with information about performance review scores as this data is not included in the employees table.

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.employees ( employee_id character varying(64) NOT NULL, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, job_title character varying(128) NOT NULL, skill_certifications text, hire_date date NOT NULL, assigned_line_id character varying(64), employment_status character varying(50) NOT NULL, supervisor_employee_id character varying(64), PRIMARY KEY (employee_id) )


[User] Show the plan name and insurance provider for all insurance plans along with the total number of unique patients enrolled in each plan.

[Assistant]
SELECT ip.plan_name, ip.insurance_provider, COUNT(DISTINCT pi.patient_id) AS enrolled_patient_count
FROM healthcare.insurance_plans ip
JOIN healthcare.patients_insurance pi ON ip.plan_id = pi.plan_id
GROUP BY ip.plan_name, ip.insurance_provider;

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 text, first_name text, last_name text, date_of_birth date, gender text, address text, phone_number text, email text, emergency_contact_name text, emergency_contact_phone text, created_at timestamp, updated_at timestamp )
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.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.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.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.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 text, record_id text, patient_id text, doctor_id text, medication_id text, dosage text, frequency text, route text, start_date date, end_date date, quantity_dispensed numeric, refills_allowed integer, prescription_date timestamp )
CREATE TABLE healthcare.insurance_plans ( plan_id.text, plan_name.text, insurance_provider.text, plan_type.text, contact_phone.text, website.text )


[User] Show me all room types with a base rate over $200 and max occupancy of at least 4, along with their property IDs and amenities.

[Assistant] SELECT room_type_id, property_id, type_name, base_rate, max_occupancy, amenities FROM hospitality_technology.room_types WHERE base_rate > 200 AND max_occupancy >= 4;

[User] Now, join this with the guests table to show only room types from properties where the guest's country code is 'USA'.

[Assistant] SELECT rt.room_type_id, rt.property_id, rt.type_name, rt.base_rate, rt.max_occupancy, rt.amenities FROM hospitality_technology.room_types rt JOIN hospitality_technology.guests g ON rt.property_id = g.property_id WHERE rt.base_rate > 200 AND rt.max_occupancy >= 4 AND g.country_code = 'USA';

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.room_types ( room_type_id text PRIMARY KEY, property_id text, type_name text, description text, base_rate numeric, max_occupancy int, bed_type text, area_sqft numeric, amenities text )
CREATE TABLE hospitality_technology.guests ( guest_id text, 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] For each patient, find the next appointment after each one. Return patient_id, appointment_id, next_appointment_id, and the waiting time in minutes between them.

[Assistant]
SELECT A.patient_id,
       A.appointment_id AS current_id,
       B.appointment_id AS next_id,
       EXTRACT(EPOCH FROM (B.appointment_time - A.appointment_time)) / 60 AS wait_minutes
FROM healthcare.appointments A
JOIN healthcare.appointments B
  ON A.patient_id = B.patient_id
 AND B.appointment_time = (
       SELECT MIN(appointment_time)
       FROM healthcare.appointments
       WHERE patient_id = A.patient_id
         AND appointment_time > A.appointment_time
   );

[User] Now include only the pairs where the waiting time is less than 30 minutes.

[Assistant]
SELECT A.patient_id,
       A.appointment_id AS current_id,
       B.appointment_id AS next_id,
       EXTRACT(EPOCH FROM (B.appointment_time - A.appointment_time)) / 60 AS wait_minutes
FROM healthcare.appointments A
JOIN healthcare.appointments B
  ON A.patient_id = B.patient_id
 AND B.appointment_time = (
       SELECT MIN(appointment_time)
       FROM healthcare.appointments
       WHERE patient_id = A.patient_id
         AND appointment_time > A.appointment_time
   )
WHERE EXTRACT(EPOCH FROM (B.appointment_time - A.appointment_time)) / 60 < 30;

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.appointments ( appointment_id text PRIMARY KEY, patient_id text, doctor_id text, appointment_time timestamp, duration_minutes int, reason text, status text, location_id text, notes text, created_at timestamp )


[User] What are the qualifications or training history of the staff member who performed the maintenance with record_id 'REC123'?

[Assistant] I'm sorry, but I can't provide information about the qualifications or training history of staff members as this data is not stored in the maintenance_records table. This table only contains details about maintenance activities, such as asset information, maintenance type, dates, and costs. If you have another question or need assistance with data available in this table, I'm happy to help.

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 character varying(64) NOT NULL, -- Unique identifier for the maintenance record
    asset_id character varying(64) NOT NULL, -- ID of the asset being maintained (train_id, car_id, platform_id, etc.)
    asset_type character varying(32) NOT NULL, -- Type of asset ('Train', 'Car', 'Platform', 'Track')
    maintenance_type character varying(128) NOT NULL, -- e.g., 'Scheduled Inspection', 'Repair', 'Cleaning'
    staff_id character varying(64), -- Staff member performing/overseeing maintenance
    start_datetime timestamp NOT NULL, -- When maintenance started
    end_datetime timestamp, -- When maintenance completed (nullable if ongoing)
    description text NOT NULL, -- Details of the maintenance performed
    cost numeric(12, 2), -- Cost associated with the maintenance
    status character varying(32) NOT NULL DEFAULT 'Completed', -- e.g., 'Scheduled', 'In Progress', 'Completed', 'Cancelled'
    PRIMARY KEY (record_id),
    FOREIGN KEY (staff_id) REFERENCES train_station_management.staff(staff_id)
)


[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 me the number of players registered in each country, along with the number of different games available for each country.

[Assistant]
SELECT p.country_code, COUNT(DISTINCT p.player_id) AS player_count, COUNT(DISTINCT g.game_id) AS game_count
FROM gaming_technology.players p
CROSS JOIN gaming_technology.games g
GROUP BY p.country_code;

[User] This doesn't make sense; the game count should be the number of games, not all possible combinations. Can you fix it to just show the count of players per country?

[Assistant]
SELECT p.country_code, COUNT(*) AS player_count
FROM gaming_technology.players p
GROUP BY p.country_code;

[User] Now add in the total number of servers located in each country, based on the players' country code matching the server's region.

[Assistant]
SELECT p.country_code, COUNT(*) AS player_count,
       (SELECT COUNT(*) FROM gaming_technology.servers s WHERE s.region = p.country_code) AS server_count
FROM gaming_technology.players p
GROUP BY p.country_code;

[User] Show only countries where there are at least 5 servers.

[Assistant]
SELECT p.country_code, COUNT(*) AS player_count,
       (SELECT COUNT(*) FROM gaming_technology.servers s WHERE s.region = p.country_code) AS server_count
FROM gaming_technology.players p
GROUP BY p.country_code
HAVING (SELECT COUNT(*) FROM gaming_technology.servers s WHERE s.region = p.country_code) >= 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 gaming_technology.players ( player_id.uuid, username.text, email.text, password_hash.text, registration_date.timestamptz, last_login.timestamptz, country_code.text, status.text, profile_data.jsonb )
CREATE TABLE gaming_technology.games (
    game_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for the game
    title character varying(200) NOT NULL, -- official title of the game
    developer_id uuid NOT NULL, -- FK linking to the developers table
    publisher_id uuid, -- FK linking to a potential publishers table (optional)
    genre character varying(100), -- primary genre (e.g., RPG, FPS, Strategy)
    release_date date, -- official release date
    description text, -- short description or synopsis of the game
    platform character varying(50) NOT NULL, -- primary platform (e.g., PC, PlayStation 5, Xbox Series X, Mobile)
    engine character varying(100), -- game engine used (e.g., Unreal Engine 5, Unity)
    website character varying(255), -- official website URL
    PRIMARY KEY (game_id)
    -- FOREIGN KEY (developer_id) REFERENCES gaming_technology.developers(developer_id) -- Example FK constraint
)
CREATE TABLE gaming_technology.servers ( server_id uuid NOT NULL DEFAULT gen_random_uuid(), game_id uuid NOT NULL, server_name character varying(150), region character varying(50) NOT NULL, ip_address character varying(45), port integer, current_players integer NOT NULL DEFAULT 0, max_players integer NOT NULL, status character varying(30) NOT NULL DEFAULT 'offline', last_heartbeat timestamp with time zone, PRIMARY KEY (server_id) )
CREATE TABLE gaming_technology.achievements ( achievement_id uuid, game_id uuid, name text, description text, icon_url text, points integer, hidden boolean )
CREATE TABLE gaming_technology.in_game_items ( item_id uuid NOT NULL DEFAULT gen_random_uuid(), game_id uuid NOT NULL, item_name character varying(150) NOT NULL, item_type character varying(50) NOT NULL, description text, rarity character varying(30), cost_currency character varying(10), cost_amount numeric(12, 2), attributes jsonb, PRIMARY KEY (item_id) )


[User] What is the average processing time in days for each service category?

[Assistant]
SELECT category, AVG(average_processing_time_days) AS avg_processing_time
FROM government_services.services
GROUP BY category;

[User] Only include categories where the average_processing_time_days is greater than 5.

[Assistant]
SELECT category, AVG(average_processing_time_days) AS avg_processing_time
FROM government_services.services
GROUP BY category
HAVING AVG(average_processing_time_days) > 5;

[User] Also include only active services in the calculation.

[Assistant]
SELECT category, AVG(average_processing_time_days) AS avg_processing_time
FROM government_services.services
WHERE is_active = TRUE
GROUP BY category
HAVING AVG(average_processing_time_days) > 5;

[User] Sort the results by avg_processing_time in descending order.

[Assistant]
SELECT category, AVG(average_processing_time_days) AS avg_processing_time
FROM government_services.services
WHERE is_active = TRUE
GROUP BY category
HAVING AVG(average_processing_time_days) > 5
ORDER BY avg_processing_time 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 government_services.services ( service_id text PRIMARY KEY, agency_id text, service_name text, description text, category text, eligibility_criteria text, standard_fee numeric, average_processing_time_days int, is_active boolean, online_application_url text )


[User] Find employees who work in the same department as their manager. Display the employee's full name, the manager's full name, and the department they share.

[Assistant] SELECT e.first_name || ' ' || e.last_name AS employee_full_name, m.first_name || ' ' || m.last_name AS manager_full_name, e.department FROM government_services.employees AS e JOIN government_services.employees AS m ON e.manager_employee_id = m.employee_id WHERE e.department = m.department;

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.employees (
    employee_id character varying(64) NOT NULL, -- unique identifier for the government employee
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    job_title character varying(150) NOT NULL,
    department character varying(100),
    work_email character varying(128) NOT NULL UNIQUE,
    work_phone character varying(32),
    hire_date date NOT NULL,
    termination_date date, -- null if currently employed
    access_level character varying(50), -- Role or permission level
    manager_employee_id character varying(64), -- FK to self for reporting structure
    PRIMARY KEY (employee_id)
)


[User] List lawyers who have any unbilled time entries. Show their first name, last name, and the count of their unbilled entries.

[Assistant] SELECT T1.first_name, T1.last_name, COUNT(T2.entry_id) FROM lawyers AS T1 JOIN time_entries AS T2 ON T1.lawyer_id = T2.lawyer_id WHERE T2.is_billed = false GROUP BY T1.lawyer_id, T1.first_name, T1.last_name;

[User] Modify that query to only include entries marked as billable, and instead show the total hours spent rather than the count.

[Assistant] SELECT T1.first_name, T1.last_name, SUM(T2.hours_spent) FROM lawyers AS T1 JOIN time_entries AS T2 ON T1.lawyer_id = T2.lawyer_id WHERE T2.is_billed = false AND T2.is_billable = true GROUP BY T1.lawyer_id, T1.first_name, T1.last_name;

[User] Now, only show lawyers with more than 10 unbilled billable hours in total, and sort the results by the total hours descending.

[Assistant] SELECT T1.first_name, T1.last_name, SUM(T2.hours_spent) FROM lawyers AS T1 JOIN time_entries AS T2 ON T1.lawyer_id = T2.lawyer_id WHERE T2.is_billed = false AND T2.is_billable = true GROUP BY T1.lawyer_id, T1.first_name, T1.last_name HAVING SUM(T2.hours_spent) > 10 ORDER BY SUM(T2.hours_spent) 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 legal_services.lawyers ( lawyer_id text PRIMARY KEY, first_name text, last_name text, bar_number text UNIQUE, firm_id text, email text UNIQUE, phone text, specialization text, hire_date timestamp, is_partner bool )
CREATE TABLE legal_services.law_firms ( firm_id text PRIMARY KEY, firm_name text, address text, phone text, website text, founded_date date, managing_partner_id text )
CREATE TABLE legal_services.documents ( document_id text PRIMARY KEY, case_id text, document_name text, document_type text, storage_path text, uploaded_by_lawyer_id text, upload_timestamp timestamp, version int, description text )
CREATE TABLE legal_services.time_entries ( entry_id text PRIMARY KEY, case_id text, lawyer_id text, date_worked date, hours_spent numeric, billing_rate numeric, description text, is_billable bool, is_billed bool, invoice_id text, created_at timestamp )
CREATE TABLE legal_services.invoices ( invoice_id text PRIMARY KEY, invoice_number text UNIQUE, client_id text, case_id text, issue_date date, due_date date, total_amount numeric, amount_paid numeric, status text, payment_date timestamp, notes text, created_at timestamp )
CREATE TABLE legal_services.appointments ( appointment_id text PRIMARY KEY, 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] List all pairs of service orders that share the same bill_id, showing order1_id, order2_id, and the bill_id.

[Assistant]
SELECT s1.order_id AS order1_id,
       s2.order_id AS order2_id,
       s1.bill_id
FROM hospitality_technology.service_orders s1
JOIN hospitality_technology.service_orders s2
  ON s1.bill_id = s2.bill_id
 AND s1.order_id < s2.order_id;

[User] Exclude pairs where bill_id is null.

[Assistant]
SELECT s1.order_id AS order1_id,
       s2.order_id AS order2_id,
       s1.bill_id
FROM hospitality_technology.service_orders s1
JOIN hospitality_technology.service_orders s2
  ON s1.bill_id = s2.bill_id
 AND s1.order_id < s2.order_id
WHERE s1.bill_id IS NOT NULL;

[User] Also include only those pairs where the first order's total_price is greater than the second order's total_price.

[Assistant]
SELECT s1.order_id AS order1_id,
       s2.order_id AS order2_id,
       s1.bill_id
FROM hospitality_technology.service_orders s1
JOIN hospitality_technology.service_orders s2
  ON s1.bill_id = s2.bill_id
 AND s1.order_id < s2.order_id
WHERE s1.bill_id IS NOT NULL
  AND s1.total_price > s2.total_price;

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.service_orders ( order_id.text, reservation_id.text, guest_id.text, service_id.text, staff_id_ordered.text, staff_id_delivered.text, order_timestamp.timestamp, delivery_timestamp.timestamp, quantity.integer, unit_price.numeric, total_price.numeric, status.text, notes.text, bill_id.text )


[User] What is the fuel efficiency of the train car with car_id 'TC456'?

[Assistant] I'm sorry, but I don't have access to information about the fuel efficiency of specific train cars. The data available in the train_cars table only includes details such as car_id, train_id, car_number, car_type, class, capacity, and features. If you have another question or need assistance with something else, I'm happy to help.

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.train_cars ( car_id.text, train_id.text, car_number.text, car_type.text, class.text, capacity.integer, features.text )


[User] Show me the top 5 projects by valuation that completed fundraising rounds in the last 12 months, along with their token symbol and price from the token_basic_info table.

[Assistant] SELECT pfr.project_name, pfr.valuation, tbi.token_symbol, tbi.price FROM project_fundraising_record pfr LEFT JOIN token_basic_info tbi ON pfr.project_name = tbi.token_name WHERE pfr.investment_date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH) ORDER BY pfr.valuation DESC LIMIT 5;

[User] Can you also include the 24-hour trading volume for these projects' tokens and filter to only include projects with valuation over $100 million?

[Assistant] SELECT pfr.project_name, pfr.valuation, tbi.token_symbol, tbi.price, tbi.total_volume FROM project_fundraising_record pfr LEFT JOIN token_basic_info tbi ON pfr.project_name = tbi.token_name WHERE pfr.investment_date >= DATE_SUB(CURRENT_DATE, INTERVAL 12 MONTH) AND pfr.valuation > 100000000 ORDER BY pfr.valuation 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 project_fundraising_record (",
    "id character varying(32) NOT NULL,  -- fundraising record id",
    "project_id character varying(32) NOT NULL, -- the invested project's id",
    "project_name character varying(128) NOT NULL, -- name of the invested project",
    "rounds_name character varying(32), -- name of the fundraising round",
    "investment_value numeric(38,14), -- amount of the fundraising in USD",
    "investment_date character varying(128), -- the date of the investment happened",
    "introduction character varying(128), -- the introduction of the invested project",
    "valuation numeric(38,14), -- the valuation of the project in USD when invested",

CREATE TABLE token_basic_info ( coin_id character varying(100) NOT NULL, -- the id of the token token_name character varying(100) NOT NULL, -- the token's name token_symbol character varying(100) NOT NULL, -- the token's symbol token_address character varying(100) NOT NULL, -- the token's address chain text, -- the chain that the token resides price double precision, -- the current price of the token price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days highest_price_24h double precision, -- the highest price of the token in 24 hours lowest_price_24h double precision,  -- the lowest price of the token in 24 hours market_cap double precision, -- the market cap of the token market_cap_rank bigint, -- the rank of the token market cap in desc market_cap_change_percentage_24h text, -- the percentage of market cap changes in 24 hours total_volume text, -- the trade volum of the token both in decentralized exchange(DEX) and centralized exchange(CEX) narrative text, -- the category or narrative of the token trend_rank biging, -- the trending rank of the token, value 1 expresses the most popular token. ,PRIMARY KEY (coin_id, chain) )
CREATE TABLE narrative_info ( narrative character varying(512) NOT NULL, -- the id of narrative top_3_coins text, -- the top 3 tokens in the narrative price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour in the narrative price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours in the narrative price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days in the narrative market_cap double precision, -- the market cap of the narrative volume_24h double precision, -- the trade volume of the narrative trend_rank bigint, -- the trending rank of the narrative, value 1 expresses the most popular narrative token_num bigint, -- total token number in the narrative ,PRIMARY KEY (narrative) )
CREATE TABLE token_dexpool_info ( pair_address character varying(512) NOT NULL, token_name character varying(100) NOT NULL, token_symbol character varying(100) NOT NULL, chain text, price double precision, price_change_percentage_1h double precision, price_change_percentage_6h double precision, price_change_percentage_24h double precision, makers_24h double precision, volume_24h double precision, liquidity double precision, market_cap double precision, trend_rank bigint )
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, -- the token's address",
    "token_symbol character varying(100), -- the tokens's symbol",
    "pnl numeric(38,2), -- the profit users made on this token",
    "net_flow numeric(38,2), -- the netflow of the token, means the money user spent minus the the money user sold of this token",
    "avg_cost numeric(38,16), -- the average cost price of user spent on this token",
    "price double precision, -- the current price of the token",
    "realized_ratio numeric(10,2), -- the ratio user sold of the token",
    "roi numeric(10,2), -- the roi users made of this token",
    "chain character varying(100), -- the chain that the token resides",
    "PRIMARY KEY (token_address, chain));",

  "CREATE TABLE smart_money_token_inflow (",
    "token_address character varying(100) NOT NULL, -- the token's address",
    "token_symbol character varying(100), -- the tokens's symbol",
    "token_amount numeric(38,2), -- the absolute value of the amount if user bought minus  the amount user sold of this token",
    "usd_value numeric(38,2), -- the absolute usd value of the bought token minus sold token",
    "avg_price numeric(38,6), -- the average cost price of user spent on this token",
    "type int, -- the direction of the trade on this token. 1 means buying, 2 means selling",
    "address_amount integer, -- the amount of the user bought this token",
    "narrative character varying(100), -- the category or narrative of the token",
    "chain character varying(100), -- the chain that the token resides",
    ",PRIMARY KEY (token_address, chain)",


[User] Show me all claims with police reports that were filed in the last 3 months, along with the policy details and customer information.

[Assistant] SELECT c.claim_id, c.policy_id, c.customer_id, c.incident_date, c.reported_date, c.description, c.estimated_loss, c.status, c.settlement_amount, c.settlement_date, c.police_report_number, pp.payment_date, pp.amount_paid, pp.payment_method FROM insurance.claims c JOIN insurance.premium_payments pp ON c.policy_id = pp.policy_id WHERE c.police_report_number IS NOT NULL AND c.reported_date >= CURRENT_DATE - INTERVAL '3 months';

[User] I also want to see how many documents were submitted for each of these claims.

[Assistant] SELECT c.claim_id, c.policy_id, c.customer_id, COUNT(cd.document_id) AS document_count FROM insurance.claims c LEFT JOIN insurance.claim_documents cd ON c.claim_id = cd.claim_id WHERE c.police_report_number IS NOT NULL AND c.reported_date >= CURRENT_DATE - INTERVAL '3 months' GROUP BY c.claim_id, c.policy_id, c.customer_id;

[User] Now filter to only show claims where the estimated loss is above $10,000.

[Assistant] SELECT c.claim_id, c.policy_id, c.customer_id, COUNT(cd.document_id) AS document_count FROM insurance.claims c LEFT JOIN insurance.claim_documents cd ON c.claim_id = cd.claim_id WHERE c.police_report_number IS NOT NULL AND c.reported_date >= CURRENT_DATE - INTERVAL '3 months' AND c.estimated_loss > 10000 GROUP BY c.claim_id, c.policy_id, c.customer_id;

[User] Finally, order the results by the highest estimated loss first.

[Assistant] SELECT c.claim_id, c.policy_id, c.customer_id, COUNT(cd.document_id) AS document_count, c.estimated_loss FROM insurance.claims c LEFT JOIN insurance.claim_documents cd ON c.claim_id = cd.claim_id WHERE c.police_report_number IS NOT NULL AND c.reported_date >= CURRENT_DATE - INTERVAL '3 months' AND c.estimated_loss > 10000 GROUP BY c.claim_id, c.policy_id, c.customer_id, c.estimated_loss ORDER BY c.estimated_loss 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 insurance.claims ( claim_id text PRIMARY KEY, 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.premium_payments ( payment_id.text, policy_id.text, customer_id.text, payment_date.timestamp, amount_paid.numeric, payment_method.text, transaction_reference.text, due_date.date, payment_period_start.date, payment_period_end.date, status.text )
CREATE TABLE insurance.claim_documents ( document_id text, claim_id text, document_type text, file_name text, file_path text, file_size_bytes integer, mime_type text, uploaded_by text, uploaded_at timestamp, description text )


[User] List all tokens from the token_dexpool_info table with a liquidity over $10 million and a positive 6-hour price change percentage on the Ethereum chain.

[Assistant] SELECT token_name, token_symbol, liquidity, price_change_percentage_6h FROM token_dexpool_info WHERE liquidity > 10000000 AND price_change_percentage_6h > 0 AND chain = 'Ethereum';

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 narrative_info (",
    "narrative character varying(512) NOT NULL, -- the id of narrative",
    "top_3_coins text, -- the top 3 tokens in the narrative",
    "price_change_percentage_1h double precision, -- change in value divided by the absolute price value of the original token price in 1 hour in the narrative",
    "price_change_percentage_24h double precision, -- change in value divided by the absolute price value of the original token price in 24 hours in the narrative",
    "price_change_percentage_7d double precision, -- change in value divided by the absolute price value of the original token price in 7 days in the narrative",
    "market_cap double precision, -- the market cap of the narrative",
    "volume_24h double precision, -- the trade volume of the narrative",
    "trend_rank bigint, -- the trending rank of the narrative, value 1 expresses the most popular narrative",
    "token_num bigint, -- total token number in the narrative",
    ",PRIMARY KEY (narrative));"

CREATE TABLE token_dexpool_info ( pair_address character varying(512) NOT NULL, token_name character varying(100) NOT NULL, token_symbol character varying(100) NOT NULL, chain text, price double precision, price_change_percentage_1h double precision, price_change_percentage_6h double precision, price_change_percentage_24h double precision, makers_24h double precision, volume_24h double precision, liquidity double precision, market_cap double precision, trend_rank 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_inflow ( token_address text, token_symbol text, token_amount numeric, usd_value numeric, avg_price numeric, type numeric, address_amount numeric, narrative text, chain text )


[User] What is the total revenue generated by ticket sales at the station with ID 'ST101' for the past month?

[Assistant] I'm sorry, but I can't provide information on the revenue generated by ticket sales as this data is not available in the current database table. The table only contains details about station information such as name, location, and platform count. If you have another question or need assistance with something else related to the station data, I'm happy to help.

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.stations ( station_id.text, station_name.text, city.text, state_province.text, country_code.text, address.text, timezone.text, number_of_platforms.integer, created_at.timestamp, last_updated_at.timestamp )


[User] For each guest, list reservation_id, guest_id, check_in_date, and the next reservation_id and its check_in_date.

[Assistant]
SELECT r1.reservation_id,
       r1.guest_id,
       r1.check_in_date,
       r2.reservation_id AS next_reservation_id,
       r2.check_in_date   AS next_check_in_date
FROM reservations r1
LEFT JOIN reservations r2
  ON r1.guest_id = r2.guest_id
 AND r2.check_in_date = (
       SELECT MIN(check_in_date)
       FROM reservations
       WHERE guest_id = r1.guest_id
         AND check_in_date > r1.check_in_date
     );

[User] Only include guests who have at least two reservations.

[Assistant]
SELECT r1.reservation_id,
       r1.guest_id,
       r1.check_in_date,
       r2.reservation_id AS next_reservation_id,
       r2.check_in_date   AS next_check_in_date
FROM reservations r1
LEFT JOIN reservations r2
  ON r1.guest_id = r2.guest_id
 AND r2.check_in_date = (
       SELECT MIN(check_in_date)
       FROM reservations
       WHERE guest_id = r1.guest_id
         AND check_in_date > r1.check_in_date
     )
WHERE r1.guest_id IN (
  SELECT guest_id
  FROM reservations
  GROUP BY guest_id
  HAVING COUNT(*) >= 2
);

[User] Also, only show next reservations that occur within 30 days of the current reservation.

[Assistant]
SELECT r1.reservation_id,
       r1.guest_id,
       r1.check_in_date,
       r2.reservation_id AS next_reservation_id,
       r2.check_in_date   AS next_check_in_date
FROM reservations r1
LEFT JOIN reservations r2
  ON r1.guest_id = r2.guest_id
 AND r2.check_in_date = (
       SELECT MIN(check_in_date)
       FROM reservations
       WHERE guest_id = r1.guest_id
         AND check_in_date > r1.check_in_date
     )
   AND r2.check_in_date <= r1.check_in_date + INTERVAL '30 days'
WHERE r1.guest_id IN (
  SELECT guest_id
  FROM reservations
  GROUP BY guest_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 hospitality_technology.reservations ( reservation_id text, 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 integer, num_children integer, status text, booking_source text, rate_plan_id text, total_amount numeric, amount_paid numeric, special_requests text, created_at timestamp, updated_at timestamp )


[User] List the name of each agency and the total number of service locations it operates in New York State.

[Assistant]
SELECT a.agency_name, COUNT(sl.location_id) AS location_count
FROM government_services.agencies a
LEFT JOIN government_services.service_locations sl ON a.agency_id = sl.agency_id
WHERE sl.state = 'NY'
GROUP BY a.agency_name;

[User] Actually, only include those service locations that are accessible.

[Assistant]
SELECT a.agency_name, COUNT(sl.location_id) AS location_count
FROM government_services.agencies a
LEFT JOIN government_services.service_locations sl ON a.agency_id = sl.agency_id
WHERE sl.state = 'NY' AND sl.is_accessible = TRUE
GROUP BY a.agency_name;

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.agencies ( agency_id text PRIMARY KEY, agency_name text, jurisdiction_level text, primary_contact_email text, main_phone_number text, website_url text, established_date date, parent_agency_id text )
CREATE TABLE government_services.service_locations ( location_id text PRIMARY KEY, agency_id text, location_name text, address text, city text, state text, postal_code text, latitude numeric, longitude numeric, operating_hours text, contact_phone text, is_accessible boolean )
CREATE TABLE government_services.notifications ( notification_id text PRIMARY KEY, citizen_id text, application_id text, message_subject text, message_body text, channel text, sent_at timestamp, status text, related_entity_type text, related_entity_id text )


[User] Show all room types that offer 'WiFi' in their amenities.

[Assistant] SELECT room_type_id, property_id, type_name, amenities FROM hospitality_technology.room_types WHERE amenities LIKE '%WiFi%';

[User] Only include those with a base rate below 100 and return the results sorted by base_rate ascending.

[Assistant] SELECT room_type_id, property_id, type_name, amenities, base_rate FROM hospitality_technology.room_types WHERE amenities LIKE '%WiFi%' AND base_rate < 100 ORDER BY base_rate 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 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] Now, sort the results by the date opened, oldest first, and show only the top 10.

[Assistant] SELECT case_name, case_number, date_opened FROM legal_services.cases WHERE lead_lawyer_id = 'lawyer_abc' AND status = 'Open' AND case_type = 'Criminal' ORDER BY date_opened ASC 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 legal_services.cases ( case_id.text, case_number.text, case_name.text, client_id.text, lead_lawyer_id.text, case_type.text, status.text, date_opened.timestamp, date_closed.timestamp, description.text, court_jurisdiction.text )


[User] For each user, list all pairs of read and unread notifications, showing the recipient_user_id, the unread notification_id and type, and the read notification_id and type.

[Assistant]
SELECT
  n_unread.recipient_user_id,
  n_unread.notification_id   AS unread_id,
  n_unread.notification_type AS unread_type,
  n_read.notification_id     AS read_id,
  n_read.notification_type   AS read_type
FROM social_media.notifications n_unread
JOIN social_media.notifications n_read
  ON n_unread.recipient_user_id = n_read.recipient_user_id
WHERE n_unread.read_at IS NULL
  AND n_read.read_at IS NOT NULL;

[User] Actually, only include pairs where the unread notification_type is 'message'.

[Assistant]
SELECT
  n_unread.recipient_user_id,
  n_unread.notification_id   AS unread_id,
  n_unread.notification_type AS unread_type,
  n_read.notification_id     AS read_id,
  n_read.notification_type   AS read_type
FROM social_media.notifications n_unread
JOIN social_media.notifications n_read
  ON n_unread.recipient_user_id = n_read.recipient_user_id
WHERE n_unread.read_at IS NULL
  AND n_read.read_at IS NOT NULL
  AND n_unread.notification_type = 'message';

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.notifications ( notification_id character varying(64) NOT NULL, recipient_user_id character varying(64) NOT NULL, sender_user_id character varying(64), notification_type character varying(30) NOT NULL, target_entity_id character varying(64), target_entity_type character varying(20), created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, read_at timestamp, PRIMARY KEY (notification_id) )


[User] Show me the number of distinct room types offered by each property, including the property name and the count.

[Assistant] SELECT T1.property_name, COUNT(DISTINCT T2.room_type_id) FROM hospitality_technology.properties AS T1 JOIN hospitality_technology.room_types AS T2 ON T1.property_id = T2.property_id GROUP BY T1.property_id;

[User] Now, only show properties that offer more than 5 distinct room types.

[Assistant] SELECT T1.property_name, COUNT(DISTINCT T2.room_type_id) FROM hospitality_technology.properties AS T1 JOIN hospitality_technology.room_types AS T2 ON T1.property_id = T2.property_id GROUP BY T1.property_id HAVING COUNT(DISTINCT T2.room_type_id) > 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 hospitality_technology.properties (
    property_id character varying(64) NOT NULL,  -- unique identifier for the property (hotel, resort, etc.)
    property_name character varying(255) NOT NULL, -- name of the property
    address_line1 character varying(255) NOT NULL, -- primary address line
    address_line2 character varying(255), -- secondary address line
    city character varying(100) NOT NULL, -- city
    state_province character varying(100), -- state or province
    postal_code character varying(20) NOT NULL, -- zip or postal code
    country_code character varying(3) NOT NULL, -- ISO country code (e.g., USA, CAN)
    phone_number character varying(30), -- main contact phone
    email_address character varying(255), -- main contact email
    property_type character varying(50) NOT NULL, -- e.g., Hotel, Resort, B&B, Motel
    star_rating numeric(2,1), -- star rating (e.g., 4.5)
    timezone character varying(64) NOT NULL, -- IANA timezone ID (e.g., America/New_York)
    manager_staff_id character varying(64), -- FK to staff table for the general manager
    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 (property_id)
)
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 PRIMARY KEY, property_id text, type_name text, description text, base_rate numeric, max_occupancy int, bed_type text, area_sqft numeric, amenities text )
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 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.services ( service_id.text, property_id.text, service_name.text, description.text, category.text, price.numeric, unit.text, is_available.boolean, department.text )
CREATE TABLE hospitality_technology.reviews ( review_id text, property_id text, reservation_id text, guest_id text, rating_overall integer, rating_cleanliness integer, rating_service integer, rating_location integer, rating_value integer, comment text, review_source text, review_date timestamp, is_public boolean, staff_response text, response_staff_id text, response_date timestamp )


[User] I need to find patients who received prescriptions within 7 days after their latest appointment. Show patient_id, first and last name, appointment_time, prescription_date, and medication_name.

[Assistant]
WITH latest_appt AS (
  SELECT patient_id, MAX(appointment_time) AS latest_time
  FROM healthcare.appointments
  GROUP BY patient_id
)
SELECT p.patient_id,
       p.first_name,
       p.last_name,
       la.latest_time AS appointment_time,
       pr.prescription_date,
       m.medication_name
FROM latest_appt la
JOIN healthcare.patients p
  ON p.patient_id = la.patient_id
JOIN healthcare.prescriptions pr
  ON pr.patient_id = la.patient_id
  AND pr.prescription_date BETWEEN la.latest_time AND la.latest_time + INTERVAL '7 days'
JOIN healthcare.medications m
  ON m.medication_id = pr.medication_id

[User] Actually, restrict it to prescriptions where dosage contains 'mg'.

[Assistant]
WITH latest_appt AS (
  SELECT patient_id, MAX(appointment_time) AS latest_time
  FROM healthcare.appointments
  GROUP BY patient_id
)
SELECT p.patient_id,
       p.first_name,
       p.last_name,
       la.latest_time AS appointment_time,
       pr.prescription_date,
       m.medication_name
FROM latest_appt la
JOIN healthcare.patients p
  ON p.patient_id = la.patient_id
JOIN healthcare.prescriptions pr
  ON pr.patient_id = la.patient_id
  AND pr.prescription_date BETWEEN la.latest_time AND la.latest_time + INTERVAL '7 days'
  AND pr.dosage LIKE '%mg%'
JOIN healthcare.medications m
  ON m.medication_id = pr.medication_id

[User] Also, sort the results by prescription_date descending and limit to 5.

[Assistant]
WITH latest_appt AS (
  SELECT patient_id, MAX(appointment_time) AS latest_time
  FROM healthcare.appointments
  GROUP BY patient_id
)
SELECT p.patient_id,
       p.first_name,
       p.last_name,
       la.latest_time AS appointment_time,
       pr.prescription_date,
       m.medication_name
FROM latest_appt la
JOIN healthcare.patients p
  ON p.patient_id = la.patient_id
JOIN healthcare.prescriptions pr
  ON pr.patient_id = la.patient_id
  AND pr.prescription_date BETWEEN la.latest_time AND la.latest_time + INTERVAL '7 days'
  AND pr.dosage LIKE '%mg%'
JOIN healthcare.medications m
  ON m.medication_id = pr.medication_id
ORDER BY pr.prescription_date 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 healthcare.patients ( patient_id text, first_name text, last_name text, date_of_birth date, gender text, address text, phone_number text, email text, emergency_contact_name text, emergency_contact_phone text, created_at timestamp, updated_at timestamp )
CREATE TABLE healthcare.appointments ( appointment_id text, patient_id text, doctor_id text, appointment_time timestamp, duration_minutes integer, reason text, status text, location_id text, notes text, created_at timestamp )
CREATE TABLE healthcare.medical_records ( record_id text, 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.diagnoses ( diagnosis_id text, record_id text, patient_id text, doctor_id text, diagnosis_code text, code_type text, description text, diagnosis_date date, status text, is_chronic boolean )
CREATE TABLE healthcare.medications ( medication_id text, medication_name text, generic_name text, manufacturer text, ndc_code text, description text )
CREATE TABLE healthcare.prescriptions ( prescription_id text, record_id text, patient_id text, doctor_id text, medication_id text, dosage text, frequency text, route text, start_date date, end_date date, quantity_dispensed numeric, refills_allowed integer, prescription_date 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 medical records with the record_id, record_date, the patient's insurance policy_number, and the doctor's ID, for records linked to a currently active insurance policy.

[Assistant]
SELECT mr.record_id, mr.record_date, pi.policy_number, mr.doctor_id
FROM healthcare.medical_records mr
INNER JOIN healthcare.patient_insurance pi ON mr.patient_id = pi.patient_id
WHERE pi.expiration_date IS NULL OR pi.expiration_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 healthcare.appointments ( appointment_id.text, patient_id.text, doctor_id.text, appointment_time.timestamp, duration_minutes.integer, reason.text, status.text, location_id.text, notes.text, created_at.timestamp )
CREATE TABLE healthcare.medical_records ( record_id.text, 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.json, created_at.timestamp )
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] How many agents were hired in the current year and what is their average commission rate?

[Assistant] SELECT COUNT(*) AS hired_this_year, AVG(commission_rate) AS average_commission_rate FROM insurance.agents WHERE EXTRACT(YEAR FROM hire_date) = EXTRACT(YEAR FROM 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.agents ( agent_id character varying(64) NOT NULL, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, agency_name character varying(150), license_number character varying(100) NOT NULL UNIQUE, license_state character varying(50) NOT NULL, contact_email character varying(128) UNIQUE, contact_phone character varying(30), hire_date date, termination_date date, status character varying(20) NOT NULL DEFAULT 'Active', commission_rate numeric(5, 4) NOT NULL DEFAULT 0.05, manager_id character varying(64), PRIMARY KEY (agent_id) )


[User] What is the average balance of all addresses in the database?

[Assistant] SELECT AVG(balance) as average_balance FROM blockchain.addresses;

[User] Can you break this down by the first 3 characters of the address_id?

[Assistant] SELECT SUBSTRING(address_id, 1, 3) as address_prefix, AVG(balance) as average_balance FROM blockchain.addresses GROUP BY SUBSTRING(address_id, 1, 3);

[User] Now show only address prefixes where the average balance is greater than 1000.

[Assistant] SELECT SUBSTRING(address_id, 1, 3) as address_prefix, AVG(balance) as average_balance FROM blockchain.addresses GROUP BY SUBSTRING(address_id, 1, 3) HAVING AVG(balance) > 1000;

[User] Can you order these results by the average balance in descending order?

[Assistant] SELECT SUBSTRING(address_id, 1, 3) as address_prefix, AVG(balance) as average_balance FROM blockchain.addresses GROUP BY SUBSTRING(address_id, 1, 3) HAVING AVG(balance) > 1000 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 blockchain.addresses ( address_id.text, public_key.text, balance.numeric )


[User] List the name and symbol for all assets that do not have a corresponding entry with the key 'website' in the metadata table.

[Assistant] SELECT T1.name , T1.symbol FROM trading_platform.assets AS T1 LEFT JOIN trading_platform.metadata AS T2 ON T1.asset_id  =  T2.asset_id AND T2.key  =  'website' WHERE T2.metadata_id IS 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 trading_platform.users ( user_id character varying(64) NOT NULL, username character varying(128) NOT NULL, email character varying(128) NOT NULL, password_hash text NOT NULL, created_at timestamp NOT NULL, PRIMARY KEY (user_id) )
CREATE TABLE trading_platform.wallets ( wallet_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, address character varying(128) NOT NULL, private_key text NOT NULL, created_at timestamp NOT NULL, PRIMARY KEY (wallet_id) )
CREATE TABLE trading_platform.orders ( order_id text PRIMARY KEY, user_id text, wallet_id text, asset_id text, order_type text, quantity numeric, price numeric, status text, created_at timestamp )
CREATE TABLE trading_platform.trades (
    trade_id character varying(64) NOT NULL,  -- unique identifier for the trade
    order_id character varying(64) NOT NULL, -- identifier of the order that led to the trade
    buyer_id character varying(64) NOT NULL, -- identifier of the buyer
    seller_id character varying(64) NOT NULL, -- identifier of the seller
    asset_id character varying(64) NOT NULL, -- identifier of the asset being traded
    quantity numeric(38,14) NOT NULL, -- quantity of the asset in the trade
    price numeric(38,14) NOT NULL, -- price per unit of the asset
    traded_at timestamp NOT NULL, -- time when the trade was executed
    PRIMARY KEY (trade_id)
)
CREATE TABLE trading_platform.assets ( asset_id text PRIMARY KEY, name text, symbol text, type text )
CREATE TABLE trading_platform.utxos ( utxo_id.text, transaction_id.text, output_index.integer, address.text, amount.numeric, spent.boolean )
CREATE TABLE trading_platform.dapps ( dapp_id.text, name.text, description.text, url.text )
CREATE TABLE trading_platform.metadata (
    metadata_id character varying(64) NOT NULL,  -- unique identifier for the metadata
    asset_id character varying(64) NOT NULL, -- identifier of the asset the metadata is associated with
    key character varying(128) NOT NULL, -- key of the metadata
    value text NOT NULL, -- value of the metadata
    PRIMARY KEY (metadata_id)
)
CREATE TABLE trading_platform.kyc_audit (
    kyc_audit_id character varying(64) NOT NULL,  -- unique identifier for the KYC audit
    user_id character varying(64) NOT NULL, -- identifier of the user being audited
    status character varying(32) NOT NULL, -- status of the KYC audit (e.g., pending, approved, rejected)
    reviewed_at timestamp NOT NULL, -- time when the KYC audit was reviewed
    PRIMARY KEY (kyc_audit_id)
)


[User] Could you provide the total number of game sessions and the number of distinct players for each game genre? Display the genre, session count, and player count.

[Assistant] SELECT g.genre, COUNT(gs.session_id) AS session_count, COUNT(DISTINCT gs.player_id) AS player_count FROM gaming_technology.game_sessions AS gs JOIN gaming_technology.games AS g ON gs.game_id = g.game_id WHERE g.genre IS NOT NULL GROUP BY g.genre ORDER BY g.genre;

[User] Thanks. Can you modify the query to only include games that were released after the year 2020?

[Assistant] SELECT g.genre, COUNT(gs.session_id) AS session_count, COUNT(DISTINCT gs.player_id) AS player_count FROM gaming_technology.game_sessions AS gs JOIN gaming_technology.games AS g ON gs.game_id = g.game_id WHERE g.genre IS NOT NULL AND g.release_date >= '2021-01-01' GROUP BY g.genre ORDER BY g.genre;

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 NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for the player
    username character varying(100) NOT NULL UNIQUE, -- player's chosen display name
    email character varying(255) NOT NULL UNIQUE, -- player's email address for login/recovery
    password_hash text NOT NULL, -- securely hashed password
    registration_date timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP, -- when the player account was created
    last_login timestamp with time zone, -- timestamp of the last successful login
    country_code character(2), -- player's country (ISO 3166-1 alpha-2)
    status character varying(20) NOT NULL DEFAULT 'active', -- account status (e.g., active, banned, suspended)
    profile_data jsonb, -- flexible field for avatar url, bio, preferences etc.
    PRIMARY KEY (player_id)
)
CREATE TABLE gaming_technology.games (
    game_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for the game
    title character varying(200) NOT NULL, -- official title of the game
    developer_id uuid NOT NULL, -- FK linking to the developers table
    publisher_id uuid, -- FK linking to a potential publishers table (optional)
    genre character varying(100), -- primary genre (e.g., RPG, FPS, Strategy)
    release_date date, -- official release date
    description text, -- short description or synopsis of the game
    platform character varying(50) NOT NULL, -- primary platform (e.g., PC, PlayStation 5, Xbox Series X, Mobile)
    engine character varying(100), -- game engine used (e.g., Unreal Engine 5, Unity)
    website character varying(255), -- official website URL
    PRIMARY KEY (game_id)
    -- FOREIGN KEY (developer_id) REFERENCES gaming_technology.developers(developer_id) -- Example FK constraint
)
CREATE TABLE gaming_technology.game_sessions (
    session_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for the game session
    player_id uuid NOT NULL, -- FK linking to the players table
    game_id uuid NOT NULL, -- FK linking to the games table
    server_id uuid, -- FK linking to the servers table (nullable for single-player)
    start_time timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP, -- when the session began
    end_time timestamp with time zone, -- when the session ended (null if ongoing)
    duration_seconds integer, -- calculated duration of the session in seconds
    score integer, -- player's score for the session, if applicable
    session_data jsonb, -- flexible field for session-specific info (e.g., map played, character used)
    PRIMARY KEY (session_id)
    -- FOREIGN KEY (player_id) REFERENCES gaming_technology.players(player_id),
    -- FOREIGN KEY (game_id) REFERENCES gaming_technology.games(game_id),
    -- FOREIGN KEY (server_id) REFERENCES gaming_technology.servers(server_id)
)
CREATE TABLE gaming_technology.servers (
    server_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for the game server instance
    game_id uuid NOT NULL, -- FK linking to the game this server hosts
    server_name character varying(150), -- display name for the server
    region character varying(50) NOT NULL, -- geographical region (e.g., us-east-1, eu-west-2)
    ip_address character varying(45), -- IP address (IPv4 or IPv6)
    port integer, -- network port number
    current_players integer NOT NULL DEFAULT 0, -- number of players currently connected
    max_players integer NOT NULL, -- maximum player capacity
    status character varying(30) NOT NULL DEFAULT 'offline', -- server status (e.g., online, offline, maintenance)
    last_heartbeat timestamp with time zone, -- last time the server reported its status
    PRIMARY KEY (server_id)
    -- FOREIGN KEY (game_id) REFERENCES gaming_technology.games(game_id)
)
CREATE TABLE gaming_technology.achievements (
    achievement_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for an achievement definition
    game_id uuid NOT NULL, -- FK linking to the game the achievement belongs to
    name character varying(150) NOT NULL, -- name of the achievement
    description text NOT NULL, -- how to unlock the achievement
    icon_url character varying(255), -- URL for the achievement's icon
    points integer DEFAULT 0, -- points awarded for unlocking (optional)
    hidden boolean DEFAULT false, -- whether the achievement details are hidden until unlocked
    PRIMARY KEY (achievement_id)
    -- FOREIGN KEY (game_id) REFERENCES gaming_technology.games(game_id)
)
CREATE TABLE gaming_technology.player_achievements (
    player_achievement_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for this unlock instance
    player_id uuid NOT NULL, -- FK linking to the player who unlocked it
    achievement_id uuid NOT NULL, -- FK linking to the achievement definition
    unlocked_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP, -- when the achievement was unlocked
    PRIMARY KEY (player_achievement_id),
    UNIQUE (player_id, achievement_id) -- Ensure a player can only unlock an achievement once
    -- FOREIGN KEY (player_id) REFERENCES gaming_technology.players(player_id),
    -- FOREIGN KEY (achievement_id) REFERENCES gaming_technology.achievements(achievement_id)
)


[User] What is the total number of drivers hired each year? Provide the hire_year and driver_count.

[Assistant]
SELECT EXTRACT(YEAR FROM hire_date) AS hire_year,
       COUNT(*)                  AS driver_count
FROM transportation.drivers
GROUP BY EXTRACT(YEAR FROM hire_date);

[User] Now only include years where driver_count > 3 and order the results by driver_count DESC.

[Assistant]
SELECT hire_year, driver_count
FROM (
  SELECT EXTRACT(YEAR FROM hire_date) AS hire_year,
         COUNT(*)                  AS driver_count
  FROM transportation.drivers
  GROUP BY EXTRACT(YEAR FROM hire_date)
) sub
WHERE driver_count > 3
ORDER BY driver_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 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 )


[User] List active policies where the premium amount is greater than the base premium of the linked insurance product. Show policy number, policy premium, product name, and product base premium.

[Assistant] SELECT T1.policy_number, T1.premium_amount, T2.product_name, T2.base_premium FROM insurance.policies AS T1 JOIN insurance.insurance_products AS T2 ON T1.product_id = T2.product_id WHERE T1.status = 'active' AND T1.premium_amount > T2.base_premium;

[User] Also, only include policies that were issued in the year 2023.

[Assistant] SELECT T1.policy_number, T1.premium_amount, T2.product_name, T2.base_premium FROM insurance.policies AS T1 JOIN insurance.insurance_products AS T2 ON T1.product_id = T2.product_id WHERE T1.status = 'active' AND T1.premium_amount > T2.base_premium AND EXTRACT(YEAR FROM T1.issued_at) = 2023;

[User] Could you sort the results by policy premium in descending order and limit to the top 10?

[Assistant] SELECT T1.policy_number, T1.premium_amount, T2.product_name, T2.base_premium FROM insurance.policies AS T1 JOIN insurance.insurance_products AS T2 ON T1.product_id = T2.product_id WHERE T1.status = 'active' AND T1.premium_amount > T2.base_premium AND EXTRACT(YEAR FROM T1.issued_at) = 2023 ORDER BY T1.premium_amount 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 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.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] For each user, show the most recently created wallet address and the wallet creation timestamp.

[Assistant]
SELECT w1.user_id, w1.address, w1.created_at
FROM web3.wallets w1
JOIN (
  SELECT user_id, MAX(created_at) AS max_created_at
  FROM web3.wallets
  GROUP BY user_id
) w2 ON w1.user_id = w2.user_id AND w1.created_at = w2.max_created_at;

[User] Can you also include the wallet_id of the most recent wallet for each user in the result?

[Assistant]
SELECT w1.user_id, w1.wallet_id, w1.address, w1.created_at
FROM web3.wallets w1
JOIN (
  SELECT user_id, MAX(created_at) AS max_created_at
  FROM web3.wallets
  GROUP BY user_id
) w2 ON w1.user_id = w2.user_id AND w1.created_at = w2.max_created_at;

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.wallets ( wallet_id text PRIMARY KEY, user_id text, address text, private_key text, created_at timestamp )


[User] List all agencies that do not have a website URL specified. Return their agency_id, agency_name, and main_phone_number.

[Assistant] SELECT agency_id, agency_name, main_phone_number FROM government_services.agencies WHERE website_url IS NULL OR website_url = '';

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.agencies ( agency_id character varying(64) NOT NULL, agency_name character varying(255) NOT NULL, jurisdiction_level character varying(50) NOT NULL, primary_contact_email character varying(128), main_phone_number character varying(32), website_url character varying(255), established_date date, parent_agency_id character varying(64), PRIMARY KEY (agency_id) )


[User] Show the symbol, name, and total supply for all SUI coins with status 'active'.

[Assistant]
SELECT scm.symbol, scm.name, scm.coin_type, scm.total_supply
FROM sui_coins_metadata scm
WHERE scm.status = 'active';

[User] I received an error that column 'total_supply' doesn't exist in sui_coins_metadata.

[Assistant]
SELECT scm.symbol, scm.name, scm.coin_type
FROM sui_coins_metadata scm
WHERE scm.status = 'active';

[User] Now, join with sui_coins to add up the total balance across all owners for each coin_type.

[Assistant]
SELECT scm.symbol, scm.name, scm.coin_type, SUM(CAST(sc.balance AS NUMERIC)) AS total_balance
FROM sui_coins_metadata scm
JOIN sui_coins sc ON scm.coin_type = sc.coin_type
WHERE scm.status = 'active'
GROUP BY scm.symbol, scm.name, scm.coin_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 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, block_timestamp timestamp, transaction_index integer, transaction_hash text, log_index integer, contract_address text )
CREATE TABLE erc20_balances ( block_number bigint, contract_address text, wallet_address text, amount text, pk text )
CREATE TABLE erc20_balances_historical ( block_number bigint, contract_address text, wallet_address text, amount text, pk integer )
CREATE TABLE nft_holders ( block_number bigint, contract_address text, wallet_address text, token_id text, contract_type text, amount text, pk text )
CREATE TABLE nft_holder_historical ( block_number bigint, contract_address text, wallet_address text, token_id text, contract_type text, amount text, pk integer )
CREATE TABLE sui_coins ( object_id text, status text, coin_type text, balance text, owner text )
CREATE TABLE sui_coins_metadata ( object_id text, coin_type text, status text, decimals bigint, description text, icon_url text, symbol text, name text )
CREATE TABLE sui_nfts ( object_id text, status text, collection_type text, package_id text, previous_transaction text, display text, owner text, name text )
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 nft_collections ( blockchain text, contract_address text, name text, symbol text, deploy_block_number bigint, deploy_block_time bigint, erc_type text, owner text, traits text, description text, slug text, media_info text, image_url text, banner_image_url text, updated_at bigint, banner text, token_count bigint, floor_price text, floor_price_symbol text, floor_price_contract text, pk integer )
CREATE TABLE token_prices ( uuid text, blockchain text, address text, decimals bigint, symbol text, price real, timestamp timestamp )
CREATE TABLE token_prices_latest ( blockchain text, address text, decimals bigint, symbol text, price real, timestamp timestamp )
CREATE TABLE erc20_approval ( block_number bigint, block_timestamp timestamp, transaction_index integer, transaction_hash text, log_index integer, contract_address text, pk integer )
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, 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 ( 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 mud_holesky_redstone ( address text, table_id text, key_bytes text, key0 text, key1 text, static_data text, encoded_lengths text, dynamic_data text, is_deleted boolean, block_number bigint, log_index bigint )
CREATE TABLE token_balances_bitcoin ( block_number bigint, block_timestamp timestamp, tick text, wallet_address text, total_supply text, amount text )
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_activities_avalanche ( 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 text, wallet_address text, total_supply decimal, amount decimal )


[User] What is the detailed repair history of the equipment used by the staff with staff_id 'STAFF123' during maintenance tasks?

[Assistant] I'm sorry, but I can't provide information on the detailed repair history of equipment used by staff members. The data in the maintenance_records table only includes information about maintenance tasks, such as record_id, asset_id, maintenance type, and staff_id, but does not cover equipment repair histories.

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, 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] Show each account's number and type, along with the date it was opened and its interest rate.

[Assistant] SELECT account_number, account_type, opened_date, interest_rate FROM financial_services.accounts;

[User] Only show accounts with an interest rate higher than 2%.

[Assistant] SELECT account_number, account_type, opened_date, interest_rate FROM financial_services.accounts WHERE interest_rate > 0.02;

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, customer_id character varying(64) NOT NULL, account_number character varying(128) NOT NULL UNIQUE, account_type character varying(50) NOT NULL, balance numeric(19, 4) NOT NULL DEFAULT 0.00, currency character varying(3) NOT NULL, opened_date date NOT NULL, status character varying(32) NOT NULL, interest_rate numeric(5, 4), last_updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (account_id), FOREIGN KEY (customer_id) REFERENCES financial_services.customers(customer_id) )