System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE legal_services.time_entries (
    entry_id character varying(64) NOT NULL,  -- unique identifier for the time entry
    case_id character varying(64) NOT NULL, -- FK to cases table
    lawyer_id character varying(64) NOT NULL, -- FK to lawyers table (who performed the work)
    date_worked date NOT NULL, -- date the work was performed
    hours_spent numeric(5, 2) NOT NULL CHECK (hours_spent > 0), -- duration of work in hours (e.g., 1.5 for 1h 30m)
    billing_rate numeric(10, 2) NOT NULL, -- hourly rate applied for this entry
    description text NOT NULL, -- detailed description of the work performed
    is_billable boolean DEFAULT true, -- whether this time entry is billable to the client
    is_billed boolean DEFAULT false, -- whether this entry has been included in an invoice
    invoice_id character varying(64), -- FK to invoices table (once billed)
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- when the entry was recorded
    PRIMARY KEY (entry_id)
)

[User] List all time entries where the description includes the word 'email', showing the entry ID, date worked, hours spent, and description.

[Assistant] SELECT entry_id, date_worked, hours_spent, description FROM legal_services.time_entries WHERE description ILIKE '%email%';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE social_media.users ( user_id character varying(64) NOT NULL, username character varying(50) NOT NULL UNIQUE, email character varying(128) NOT NULL UNIQUE, password_hash text NOT NULL, full_name character varying(100), profile_picture_url text, bio text, location character varying(100), created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, is_verified boolean NOT NULL DEFAULT false, PRIMARY KEY (user_id) )
CREATE TABLE social_media.comments ( comment_id character varying(64) NOT NULL, post_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, parent_comment_id character varying(64), content text NOT NULL, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (comment_id) )
CREATE TABLE social_media.follows ( follow_id character varying(64) NOT NULL, follower_user_id character varying(64) NOT NULL, following_user_id character varying(64) NOT NULL, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (follow_id), CONSTRAINT unique_follow UNIQUE (follower_user_id, following_user_id) )
CREATE TABLE social_media.hashtags ( hashtag_id character varying(64) NOT NULL, tag_name character varying(100) NOT NULL UNIQUE, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (hashtag_id) )
CREATE TABLE social_media.post_hashtags ( post_hashtag_id character varying(64) NOT NULL, post_id character varying(64) NOT NULL, hashtag_id character varying(64) NOT NULL, PRIMARY KEY (post_hashtag_id), CONSTRAINT unique_post_hashtag UNIQUE (post_id, hashtag_id) )
CREATE TABLE social_media.messages ( message_id character varying(64) NOT NULL, conversation_id character varying(64) NOT NULL, sender_user_id character varying(64) NOT NULL, content text, media_url text, media_type character varying(20), sent_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, read_at timestamp, PRIMARY KEY (message_id) )
CREATE TABLE social_media.conversations ( conversation_id character varying(64) NOT NULL, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, last_message_at timestamp, is_group_chat boolean NOT NULL DEFAULT false, group_name character varying(100), PRIMARY KEY (conversation_id) )
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] I want to see a list of followers and the usernames of the users they are following, along with when they followed.

[Assistant]
SELECT u_f.username AS follower_username,
       u_t.username AS following_username,
       f.created_at
FROM social_media.follows f
JOIN social_media.users u_f ON f.follower_user_id = u_f.user_id
JOIN social_media.users u_t ON f.following_user_id = u_t.user_id;

[User] Actually, only include follows created in the last 30 days and also show the follower's full_name.

[Assistant]
SELECT u_f.username AS follower_username,
       u_f.full_name AS follower_full_name,
       u_t.username AS following_username,
       f.created_at
FROM social_media.follows f
JOIN social_media.users u_f ON f.follower_user_id = u_f.user_id
JOIN social_media.users u_t ON f.following_user_id = u_t.user_id
WHERE f.created_at >= NOW() - INTERVAL '30 days';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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] Find pairs of reservations at the same property where the second check-in is within 7 days after the first check-out. Return first_reservation, second_reservation, and gap_days.

[Assistant]
SELECT r1.reservation_id AS first_reservation,
       r2.reservation_id AS second_reservation,
       CAST(r2.check_in_date - r1.check_out_date AS INTEGER) AS gap_days
FROM hospitality_technology.reservations r1
JOIN hospitality_technology.reservations r2
  ON r1.property_id = r2.property_id
  AND r2.check_in_date > r1.check_out_date
  AND r2.check_in_date <= r1.check_out_date + INTERVAL '7 days';

[User] Now restrict to pairs where the first reservation status = 'CheckedOut' and the second reservation status = 'Confirmed'.

[Assistant]
SELECT r1.reservation_id AS first_reservation,
       r2.reservation_id AS second_reservation,
       CAST(r2.check_in_date - r1.check_out_date AS INTEGER) AS gap_days
FROM hospitality_technology.reservations r1
JOIN hospitality_technology.reservations r2
  ON r1.property_id = r2.property_id
  AND r2.check_in_date > r1.check_out_date
  AND r2.check_in_date <= r1.check_out_date + INTERVAL '7 days'
WHERE r1.status = 'CheckedOut'
  AND r2.status = 'Confirmed';

[User] Lastly, order by gap_days ascending and limit to 5 results.

[Assistant]
SELECT r1.reservation_id AS first_reservation,
       r2.reservation_id AS second_reservation,
       CAST(r2.check_in_date - r1.check_out_date AS INTEGER) AS gap_days
FROM hospitality_technology.reservations r1
JOIN hospitality_technology.reservations r2
  ON r1.property_id = r2.property_id
  AND r2.check_in_date > r1.check_out_date
  AND r2.check_in_date <= r1.check_out_date + INTERVAL '7 days'
WHERE r1.status = 'CheckedOut'
  AND r2.status = 'Confirmed'
ORDER BY gap_days ASC
LIMIT 5;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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] Show me each staff member by response_staff_id and the number of unique guests whose reviews they have responded to.

[Assistant]
SELECT response_staff_id, COUNT(DISTINCT guest_id) AS unique_guest_count
FROM hospitality_technology.reviews
WHERE response_staff_id IS NOT NULL
GROUP BY response_staff_id;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE financial_services.customers ( customer_id.text, first_name.text, last_name.text, date_of_birth.date, ssn_hash.text, address.text, city.text, state.text, zip_code.text, country.text, email.text, phone_number.text, created_at.timestamp, status.text, risk_profile.text )
CREATE TABLE financial_services.market_data ( data_point_id bigserial NOT NULL, security_id character varying(64) NOT NULL, data_timestamp timestamp NOT NULL, open_price numeric(19, 8), high_price numeric(19, 8), low_price numeric(19, 8), close_price numeric(19, 8) NOT NULL, adjusted_close_price numeric(19, 8), volume bigint, source character varying(50), PRIMARY KEY (data_point_id), UNIQUE (security_id, data_timestamp), FOREIGN KEY (security_id) REFERENCES financial_services.securities(security_id) )

[User] Give me the number of active customers grouped by city.

[Assistant] SELECT city, COUNT(*) AS customer_count FROM financial_services.customers WHERE status = 'Active' GROUP BY city;

[User] Actually, only include cities with at least 10 active customers.

[Assistant] SELECT city, COUNT(*) AS customer_count FROM financial_services.customers WHERE status = 'Active' GROUP BY city HAVING COUNT(*) >= 10;

[User] Also, order the results by customer_count ascending.

[Assistant] SELECT city, COUNT(*) AS customer_count FROM financial_services.customers WHERE status = 'Active' GROUP BY city HAVING COUNT(*) >= 10 ORDER BY customer_count ASC;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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) )

[User] List the log ID, vehicle ID, service date, and cost for all maintenance logs where the cost exceeds 2000 and the odometer reading is greater than 100,000.

[Assistant] SELECT log_id, vehicle_id, service_date, cost FROM transportation.maintenance_logs WHERE cost > 2000 AND odometer_reading > 100000;

[User] From that list, also include the service type and mechanic name, and filter to only include 'Engine Service' types performed in the year 2023.

[Assistant] SELECT log_id, vehicle_id, service_date, cost, service_type, mechanic_name FROM transportation.maintenance_logs WHERE cost > 2000 AND odometer_reading > 100000 AND service_type = 'Engine Service' AND EXTRACT(YEAR FROM service_date) = 2023;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE legal_services.clients ( client_id text PRIMARY KEY, first_name text, last_name text, company_name text, email text UNIQUE, phone text, address text, date_registered timestamp, status text )

[User] Can you show me the company name, email, and phone of all clients who share the same status?

[Assistant]
SELECT a.company_name, a.email, a.phone, a.status
FROM legal_services.clients a
JOIN legal_services.clients b ON a.status = b.status AND a.client_id <> b.client_id;

[User] What if I only want to see those clients who registered before January 1st, 2023?

[Assistant]
SELECT a.company_name, a.email, a.phone, a.status
FROM legal_services.clients a
JOIN legal_services.clients b ON a.status = b.status AND a.client_id <> b.client_id
WHERE a.date_registered < '2023-01-01';

[User] Please add each client's first and last name, and sort the results by company_name.

[Assistant]
SELECT a.first_name, a.last_name, a.company_name, a.email, a.phone, a.status
FROM legal_services.clients a
JOIN legal_services.clients b ON a.status = b.status AND a.client_id <> b.client_id
WHERE a.date_registered < '2023-01-01'
ORDER BY a.company_name;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE web3.contracts ( contract_id character varying(64) NOT NULL, address character varying(128) NOT NULL, abi text NOT NULL, bytecode text NOT NULL, deployer_address character varying(128) NOT NULL, deployed_at timestamp NOT NULL, network_id character varying(64) NOT NULL, status character varying(32) NOT NULL, PRIMARY KEY (contract_id) )
CREATE TABLE web3.tokens ( token_id character varying(64) NOT NULL, contract_address character varying(128) NOT NULL, token_name character varying(128) NOT NULL, token_symbol character varying(32) NOT NULL, decimals integer NOT NULL, total_supply numeric(38,14) NOT NULL, PRIMARY KEY (token_id) )
CREATE TABLE web3.token_transfers ( transfer_id character varying(64) NOT NULL, token_id character varying(64) NOT NULL, from_address character varying(128) NOT NULL, to_address character varying(128) NOT NULL, value numeric(38,14) NOT NULL, transaction_id character varying(64) NOT NULL, log_index integer NOT NULL, PRIMARY KEY (transfer_id) )
CREATE TABLE web3.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) )

[User] For each token, show its token name, token symbol, the address of the contract it was created on, and the deployer address of that contract.

[Assistant]
SELECT t.token_id, t.token_name, t.token_symbol, t.contract_address, c.deployer_address
FROM web3.tokens t
JOIN web3.contracts c ON t.contract_address = c.address;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE hospitality_technology.properties ( property_id text, property_name text, address_line1 text, address_line2 text, city text, state_province text, postal_code text, country_code text, phone_number text, email_address text, property_type text, star_rating numeric, timezone text, manager_staff_id text, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.rooms (
    room_id character varying(64) NOT NULL,  -- unique identifier for the room
    property_id character varying(64) NOT NULL, -- FK to properties table
    room_number character varying(10) NOT NULL, -- room number identifier (e.g., '101', 'Suite 2B')
    room_type_id character varying(64) NOT NULL, -- FK to room_types table
    floor integer, -- floor number the room is on
    status character varying(50) NOT NULL, -- e.g., Available, Occupied, Cleaning, OutOfOrder, Maintenance
    is_smoking boolean NOT NULL DEFAULT false, -- smoking allowed flag
    features text, -- description of features (e.g., Balcony, Sea View, Jacuzzi)
    current_condition text, -- notes on room condition
    last_cleaned_at timestamp with time zone, -- timestamp of last cleaning
    PRIMARY KEY (room_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id),
    FOREIGN KEY (room_type_id) REFERENCES hospitality_technology.room_types(room_type_id)
)
CREATE TABLE hospitality_technology.room_types (
    room_type_id character varying(64) NOT NULL, -- unique identifier for the room type
    property_id character varying(64) NOT NULL, -- FK to properties table (type might be property-specific)
    type_name character varying(100) NOT NULL, -- e.g., Standard King, Deluxe Queen, Executive Suite
    description text, -- description of the room type
    base_rate numeric(10, 2) NOT NULL, -- standard price per night
    max_occupancy integer NOT NULL, -- maximum number of guests
    bed_type character varying(50), -- e.g., King, Queen, 2 Doubles, Twin
    area_sqft numeric(8,2), -- size of the room in square feet
    amenities text, -- comma-separated list or JSON of amenities
    PRIMARY KEY (room_type_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id)
)
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 )
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 )
CREATE TABLE hospitality_technology.staff ( staff_id text, property_id text, first_name text, last_name text, position text, work_email text, work_phone text, hire_date date, termination_date date, is_active boolean, access_level integer, manager_id text, created_at timestamp )
CREATE TABLE hospitality_technology.service_orders ( order_id character varying(64) NOT NULL, reservation_id character varying(64), guest_id character varying(64) NOT NULL, service_id character varying(64) NOT NULL, staff_id_ordered character varying(64), staff_id_delivered character varying(64), order_timestamp timestamp with time zone NOT NULL DEFAULT current_timestamp, delivery_timestamp timestamp with time zone, quantity integer NOT NULL DEFAULT 1, unit_price numeric(10, 2) NOT NULL, total_price numeric(12, 2) NOT NULL, status character varying(50) NOT NULL, notes text, bill_id character varying(64), PRIMARY KEY (order_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (service_id) REFERENCES hospitality_technology.services(service_id), FOREIGN KEY (staff_id_ordered) REFERENCES hospitality_technology.staff(staff_id), FOREIGN KEY (staff_id_delivered) REFERENCES hospitality_technology.staff(staff_id) )
CREATE TABLE hospitality_technology.payments (
    payment_id character varying(64) NOT NULL,  -- unique identifier for the payment transaction
    reservation_id character varying(64), -- FK to reservations (if payment is for a stay)
    guest_id character varying(64) NOT NULL, -- FK to guests (who paid)
    bill_id character varying(64), -- FK to bills/invoices this payment applies to
    amount numeric(12,2) NOT NULL, -- amount of the payment
    currency_code character varying(3) NOT NULL, -- ISO currency code (e.g., USD, EUR)
    payment_method character varying(50) NOT NULL, -- e.g., CreditCard, Cash, BankTransfer, Points, Voucher
    card_type character varying(50), -- e.g., Visa, MasterCard, Amex (if CC)
    card_last_four character varying(4), -- last 4 digits of CC (if CC)
    transaction_ref character varying(128), -- reference ID from payment gateway or processor
    payment_timestamp timestamp with time zone NOT NULL DEFAULT current_timestamp, -- when the payment occurred
    status character varying(50) NOT NULL, -- e.g., Pending, Succeeded, Failed, Refunded, Disputed
    staff_id_processed character varying(64), -- FK to staff (who processed the payment)
    notes text, -- notes about the payment
    PRIMARY KEY (payment_id),
    FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id),
    FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id),
    FOREIGN KEY (staff_id_processed) REFERENCES hospitality_technology.staff(staff_id)
)
CREATE TABLE hospitality_technology.reviews ( review_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, reservation_id character varying(64) UNIQUE, guest_id character varying(64) NOT NULL, rating_overall integer, rating_cleanliness integer, rating_service integer, rating_location integer, rating_value integer, comment text, review_source character varying(100), review_date timestamp with time zone NOT NULL DEFAULT current_timestamp, is_public boolean DEFAULT true, staff_response text, response_staff_id character varying(64), response_date timestamp with time zone, PRIMARY KEY (review_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (response_staff_id) REFERENCES hospitality_technology.staff(staff_id) )

[User] Show the property name, star rating, and number of rooms for each property.

[Assistant]
SELECT p.property_name, p.star_rating, COUNT(r.room_id) AS room_count
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.rooms r ON p.property_id = r.property_id
GROUP BY p.property_id, p.property_name, p.star_rating;

[User] Only include properties that have more than 30 rooms.

[Assistant]
SELECT p.property_name, p.star_rating, COUNT(r.room_id) AS room_count
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.rooms r ON p.property_id = r.property_id
GROUP BY p.property_id, p.property_name, p.star_rating
HAVING COUNT(r.room_id) > 30;

[User] Add a column showing the total number of unique room types at each property.

[Assistant]
SELECT p.property_name, p.star_rating, COUNT(r.room_id) AS room_count, COUNT(DISTINCT rt.room_type_id) AS unique_room_type_count
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.rooms r ON p.property_id = r.property_id
LEFT JOIN hospitality_technology.room_types rt ON p.property_id = rt.property_id
GROUP BY p.property_id, p.property_name, p.star_rating
HAVING COUNT(r.room_id) > 30;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE blockchain.blocks ( block_id text, previous_block_id text, timestamp timestamp, nonce integer, merkle_root text, difficulty integer )

[User] Show me the block with the earliest timestamp and its corresponding previous block's difficulty level.

[Assistant]
SELECT b1.block_id, b1.timestamp, b2.difficulty AS previous_block_difficulty
FROM blockchain.blocks b1
LEFT JOIN blockchain.blocks b2 ON b1.previous_block_id = b2.block_id
ORDER BY b1.timestamp ASC
LIMIT 1;

[User] Now show me the same information but for the 5 earliest blocks instead of just one.

[Assistant]
SELECT b1.block_id, b1.timestamp, b2.difficulty AS previous_block_difficulty
FROM blockchain.blocks b1
LEFT JOIN blockchain.blocks b2 ON b1.previous_block_id = b2.block_id
ORDER BY b1.timestamp ASC
LIMIT 5;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE erc1155_approval_for_all ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, transaction_index integer NOT NULL, transaction_hash varchar(66) NOT NULL, log_index integer NOT NULL, contract_address varchar(42) NOT NULL )
CREATE TABLE erc20_balances ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE erc20_balances_historical ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, amount varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE nft_holders ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, token_id varchar NOT NULL, contract_type varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE sui_coins ( object_id varchar NOT NULL, status varchar NOT NULL, coin_type varchar NOT NULL, balance varchar NOT NULL, owner varchar NOT NULL )
CREATE TABLE sui_coins_metadata ( object_id varchar NOT NULL, coin_type varchar NOT NULL, status varchar NOT NULL, decimals bigint NOT NULL, description varchar NOT NULL, icon_url varchar NOT NULL, symbol varchar NOT NULL, name varchar NOT NULL )
CREATE TABLE sui_nfts ( object_id varchar NOT NULL, status varchar NOT NULL, collection_type varchar NOT NULL, package_id varchar NOT NULL, previous_transaction varchar NOT NULL, display varchar NOT NULL, owner varchar NOT NULL, name varchar NOT NULL )
CREATE TABLE nft_metadata ( blockchain varchar NOT NULL, contract_address varchar NOT NULL, token_id varchar NOT NULL, contract_name varchar NOT NULL, erc_type varchar NOT NULL, amount bigint NOT NULL, minter varchar NOT NULL, owner varchar NOT NULL, mint_block_number bigint NOT NULL, mint_time bigint NOT NULL, mint_transaction_hash varchar NOT NULL, mint_price varchar NOT NULL, token_uri varchar NOT NULL, metadata varchar NOT NULL, name varchar NOT NULL, image_uri varchar NOT NULL, traits varchar NOT NULL, updated_at bigint NOT NULL, status varchar NOT NULL, rarity_score real NOT NULL, rarity_rank integer NOT NULL, unique_attribute_count integer NOT NULL, pk integer NOT NULL )
CREATE TABLE nft_collections ( blockchain varchar NOT NULL, contract_address varchar NOT NULL, name varchar NOT NULL, symbol varchar NOT NULL, deploy_block_number bigint NOT NULL, deploy_block_time bigint NOT NULL, erc_type varchar NOT NULL, owner varchar NOT NULL, traits varchar NOT NULL, description varchar NOT NULL, slug varchar NOT NULL, media_info varchar NOT NULL, image_url varchar NOT NULL, banner_image_url varchar NOT NULL, updated_at bigint NOT NULL, banner varchar NOT NULL, token_count bigint NOT NULL, floor_price varchar NOT NULL, floor_price_symbol varchar NOT NULL, floor_price_contract varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE token_prices ( uuid varchar(36) NOT NULL, blockchain varchar(36) NOT NULL, address varchar(42) NOT NULL, decimals bigint NOT NULL, symbol varchar(36) NOT NULL, price real NOT NULL, timestamp timestamp(6) NOT NULL )
CREATE TABLE token_prices_latest ( blockchain varchar(36) NOT NULL, address varchar(42) NOT NULL, decimals bigint NOT NULL, symbol varchar(36) NOT NULL, price real NOT NULL, timestamp timestamp(6) NOT NULL )
CREATE TABLE erc20_approval ( block_number bigint NOT NULL, block_timestamp timestamp(6) NOT NULL, transaction_index integer NOT NULL, transaction_hash varchar NOT NULL, log_index integer NOT NULL, contract_address varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE token_balances ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, tick varchar NOT NULL, wallet_address varchar(42) NOT NULL, total_supply decimal(38,0) NOT NULL, amount decimal(38,0) NOT NULL )
CREATE TABLE token_info ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, tick varchar NOT NULL, max_supply decimal(38,0) NOT NULL, lim decimal(38,0) NOT NULL, wlim decimal(38,0) NOT NULL, dec integer NOT NULL, creator varchar(42) NOT NULL )
CREATE TABLE token_activities ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar NOT NULL, tick varchar NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(42) NOT NULL, to_address varchar(42) NOT NULL )
CREATE TABLE 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 NOT NULL, block_timestamp timestamp(3) NOT NULL, tick varchar(255) NOT NULL, wallet_address varchar(42) NOT NULL, total_supply varchar NOT NULL, amount varchar NOT NULL )
CREATE TABLE token_info_bitcoin ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, tick varchar(255) NOT NULL, max_supply decimal(38,0) NOT NULL, lim decimal(38,0) NOT NULL, wlim decimal(38,0) NOT NULL, dec integer NOT NULL, creator varchar(42) NOT NULL )
CREATE TABLE token_activities_bitcoin ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar(20) NOT NULL, tick varchar(255) NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(62) NOT NULL, to_address varchar(62) NOT NULL )
CREATE TABLE token_activities_avalanche ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar(20) NOT NULL, tick varchar(255) NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(42) NOT NULL, to_address varchar(42) NOT NULL )
CREATE TABLE token_balances_avalanche ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, tick varchar(20) NOT NULL, wallet_address varchar(42) NOT NULL, total_supply decimal(38,0) NOT NULL, amount decimal(38,0) NOT NULL )

[User] List all wallets holding the NFT with contract_address '0xabc123' and token_id '100' and the amount held.

[Assistant]
SELECT wallet_address, amount
FROM nft_holders
WHERE contract_address = '0xabc123'
  AND token_id = '100';

[User] Also include the NFT name from nft_metadata by joining on contract_address and token_id.

[Assistant]
SELECT nh.wallet_address,
       nh.amount,
       nm.name
FROM nft_holders nh
JOIN nft_metadata nm ON nh.contract_address = nm.contract_address
                   AND nh.token_id = nm.token_id
WHERE nh.contract_address = '0xabc123'
  AND nh.token_id = '100';

[User] Finally, add the collection name from nft_collections where blockchain is 'Ethereum'.

[Assistant]
SELECT nh.wallet_address,
       nh.amount,
       nm.name,
       nc.name AS collection_name
FROM nft_holders nh
JOIN nft_metadata nm ON nh.contract_address = nm.contract_address
                   AND nh.token_id = nm.token_id
JOIN nft_collections nc ON nh.contract_address = nc.contract_address
                      AND nc.blockchain = 'Ethereum'
WHERE nh.contract_address = '0xabc123'
  AND nh.token_id = '100';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE web3.wallets ( wallet_id text, user_id text, address text, private_key text, created_at timestamp )

[User] What is the total number of wallets recorded?

[Assistant] SELECT COUNT(*) FROM web3.wallets;

[User] Can you show me the number of wallets created on each distinct date?

[Assistant] SELECT DATE(created_at), COUNT(*) FROM web3.wallets GROUP BY DATE(created_at);


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

[User] Show me a list pairing each medication name with the record_id of any medical record whose treatment_plan mentions that medication.

[Assistant]
SELECT m.medication_name, mr.record_id
FROM healthcare.medications m
JOIN healthcare.medical_records mr
  ON mr.treatment_plan ILIKE '%' || m.medication_name || '%';

[User] Also, include the medication's manufacturer and the record's doctor_id.

[Assistant]
SELECT m.medication_name, m.manufacturer, mr.record_id, mr.doctor_id
FROM healthcare.medications m
JOIN healthcare.medical_records mr
  ON mr.treatment_plan ILIKE '%' || m.medication_name || '%';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE social_media.users ( user_id character varying(64) NOT NULL, username character varying(50) NOT NULL UNIQUE, email character varying(128) NOT NULL UNIQUE, password_hash text NOT NULL, full_name character varying(100), profile_picture_url text, bio text, location character varying(100), created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, is_verified boolean NOT NULL DEFAULT false, PRIMARY KEY (user_id) )
CREATE TABLE social_media.posts ( post_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, content text, media_url text, media_type character varying(20), created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, visibility character varying(20) NOT NULL DEFAULT 'public', location_lat numeric(9,6), location_lon numeric(9,6), PRIMARY KEY (post_id) )
CREATE TABLE social_media.comments ( comment_id character varying(64) NOT NULL, post_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, parent_comment_id character varying(64), content text NOT NULL, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (comment_id) )
CREATE TABLE social_media.hashtags ( hashtag_id character varying(64) NOT NULL, tag_name character varying(100) NOT NULL UNIQUE, created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (hashtag_id) )
CREATE TABLE social_media.post_hashtags ( post_hashtag_id character varying(64) NOT NULL, post_id character varying(64) NOT NULL, hashtag_id character varying(64) NOT NULL, PRIMARY KEY (post_hashtag_id), CONSTRAINT unique_post_hashtag UNIQUE (post_id, hashtag_id) )
CREATE TABLE social_media.conversation_participants ( participant_id character varying(64) NOT NULL, conversation_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, joined_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, last_read_at timestamp, PRIMARY KEY (participant_id), CONSTRAINT unique_user_conversation UNIQUE (conversation_id, user_id) )
CREATE TABLE social_media.user_settings ( setting_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL UNIQUE, theme character varying(20) DEFAULT 'light', email_notifications_enabled boolean DEFAULT true, push_notifications_enabled boolean DEFAULT true, private_profile boolean DEFAULT false, updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (setting_id) )

[User] Show me the IDs and content of all posts that have at least one comment containing the word 'update', along with the full names of the commenters.

[Assistant]
SELECT DISTINCT p.post_id, p.content, u.full_name
FROM social_media.posts p
JOIN social_media.comments c ON p.post_id = c.post_id
JOIN social_media.users u ON c.user_id = u.user_id
WHERE c.content ILIKE '%update%';

[User] Only include posts that have a media file attached.

[Assistant]
SELECT DISTINCT p.post_id, p.content, u.full_name
FROM social_media.posts p
JOIN social_media.comments c ON p.post_id = c.post_id
JOIN social_media.users u ON c.user_id = u.user_id
WHERE c.content ILIKE '%update%'
  AND p.media_url IS NOT NULL;

[User] And only show posts that are public.

[Assistant]
SELECT DISTINCT p.post_id, p.content, u.full_name
FROM social_media.posts p
JOIN social_media.comments c ON p.post_id = c.post_id
JOIN social_media.users u ON c.user_id = u.user_id
WHERE c.content ILIKE '%update%'
  AND p.media_url IS NOT NULL
  AND p.visibility = 'public';

[User] Can you also show the usernames of the commenters instead of their full names?

[Assistant]
SELECT DISTINCT p.post_id, p.content, u.username
FROM social_media.posts p
JOIN social_media.comments c ON p.post_id = c.post_id
JOIN social_media.users u ON c.user_id = u.user_id
WHERE c.content ILIKE '%update%'
  AND p.media_url IS NOT NULL
  AND p.visibility = 'public';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE web3.contracts (
    contract_id character varying(64) NOT NULL,  -- unique identifier for the contract
    address character varying(128) NOT NULL, -- address of the deployed contract
    abi text NOT NULL, -- application binary interface of the contract
    bytecode text NOT NULL, -- bytecode of the contract
    deployer_address character varying(128) NOT NULL, -- address of the deployer
    deployed_at timestamp NOT NULL, -- time when the contract was deployed
    network_id character varying(64) NOT NULL, -- identifier of the network where the contract is deployed
    status character varying(32) NOT NULL, -- status of the contract (e.g., active, deprecated)
    PRIMARY KEY (contract_id)
)

[User] Show all contracts deployed on 'testnet', including the contract_id, address, deployer_address, and deployed_at.

[Assistant]
SELECT contract_id, address, deployer_address, deployed_at
FROM web3.contracts
WHERE network_id = 'testnet';

[User] Actually, I also want to see the status of each contract in the result and sort the results by deployed_at descending.

[Assistant]
SELECT contract_id, address, deployer_address, deployed_at, status
FROM web3.contracts
WHERE network_id = 'testnet'
ORDER BY deployed_at DESC;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE healthcare.patients ( patient_id character varying(64) NOT NULL, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, date_of_birth date NOT NULL, gender character varying(10), address text, phone_number character varying(20), email character varying(128) UNIQUE, emergency_contact_name character varying(200), emergency_contact_phone character varying(20), created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (patient_id) )
CREATE TABLE healthcare.medical_records ( record_id character varying(64) NOT NULL, patient_id character varying(64) NOT NULL, appointment_id character varying(64) UNIQUE, doctor_id character varying(64) NOT NULL, record_date timestamp with time zone NOT NULL, chief_complaint text, present_illness_history text, past_medical_history text, physical_examination_notes text, assessment text, treatment_plan text, vitals jsonb, created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (record_id) )
CREATE TABLE healthcare.diagnoses ( diagnosis_id text PRIMARY KEY, 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.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] How many prescriptions have been issued for each medication?

[Assistant] SELECT medication_id, COUNT(*) AS prescription_count FROM healthcare.prescriptions GROUP BY medication_id;

[User] Exclude null or empty medication_ids and only show medications with more than 5 prescriptions.

[Assistant] SELECT medication_id, COUNT(*) AS prescription_count FROM healthcare.prescriptions WHERE medication_id IS NOT NULL AND medication_id <> '' GROUP BY medication_id HAVING COUNT(*) > 5;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE financial_services.customers ( customer_id.text, first_name.text, last_name.text, date_of_birth.date, ssn_hash.text, address.text, city.text, state.text, zip_code.text, country.text, email.text, phone_number.text, created_at.timestamp, status.text, risk_profile.text )
CREATE TABLE financial_services.accounts ( account_id.text, customer_id.text, account_number.text, account_type.text, balance.numeric, currency.text, opened_date.date, status.text, interest_rate.numeric, last_updated_at.timestamp )
CREATE TABLE financial_services.transactions ( transaction_id.text, account_id.text, related_account_id.text, transaction_type.text, amount.numeric, currency.text, transaction_date.timestamp, effective_date.date, description.text, status.text, reference_number.text )
CREATE TABLE financial_services.securities ( security_id.text, ticker_symbol.text, isin_code.text, cusip_code.text, security_name.text, security_type.text, exchange.text, currency.text, issuer_name.text, sector.text, last_updated.timestamp )
CREATE TABLE financial_services.trades ( trade_id.text, account_id.text, security_id.text, order_id.text, trade_type.text, quantity.numeric, price_per_unit.numeric, total_amount.numeric, commission.numeric, trade_timestamp.timestamp, settlement_date.date, status.text, execution_venue.text )
CREATE TABLE financial_services.market_data ( data_point_id.bigint, security_id.text, data_timestamp.timestamp, open_price.numeric, high_price.numeric, low_price.numeric, close_price.numeric, adjusted_close_price.numeric, volume.bigint, source.text )
CREATE TABLE financial_services.loans ( loan_id.text, account_id.text, loan_type.text, principal_amount.numeric, current_principal_balance.numeric, interest_rate.numeric, term_months.integer, origination_date.date, maturity_date.date, monthly_payment.numeric, collateral_description.text, status.text )

[User] Retrieve all loans along with the corresponding customer's first and last name and the current principal balance.

[Assistant]
SELECT l.loan_id, c.first_name, c.last_name, l.current_principal_balance
FROM financial_services.loans l
JOIN financial_services.accounts a ON l.account_id = a.account_id
JOIN financial_services.customers c ON a.customer_id = c.customer_id;

[User] I need the results sorted by current principal balance descending and only include loans with status 'Active'.

[Assistant]
SELECT l.loan_id, c.first_name, c.last_name, l.current_principal_balance
FROM financial_services.loans l
JOIN financial_services.accounts a ON l.account_id = a.account_id
JOIN financial_services.customers c ON a.customer_id = c.customer_id
WHERE l.status = 'Active'
ORDER BY l.current_principal_balance DESC;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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] Which drivers have licenses expiring before 2025-01-01, and what are their first and last names along with the license expiry date?

[Assistant] SELECT driver_id, first_name, last_name, license_expiry_date FROM transportation.drivers WHERE license_expiry_date < '2025-01-01';

[User] From this list, only include drivers whose status is 'Active'.

[Assistant] SELECT driver_id, first_name, last_name, license_expiry_date FROM transportation.drivers WHERE license_expiry_date < '2025-01-01' AND status = 'Active';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE financial_services.customers ( customer_id.text, first_name.text, last_name.text, date_of_birth.date, ssn_hash.text, address.text, city.text, state.text, zip_code.text, country.text, email.text, phone_number.text, created_at.timestamp, status.text, risk_profile.text )
CREATE TABLE financial_services.securities ( security_id.text, ticker_symbol.text, isin_code.text, cusip_code.text, security_name.text, security_type.text, exchange.text, currency.text, issuer_name.text, sector.text, last_updated.timestamp )
CREATE TABLE financial_services.market_data ( data_point_id.bigint, security_id.text, data_timestamp.timestamp, open_price.numeric, high_price.numeric, low_price.numeric, close_price.numeric, adjusted_close_price.numeric, volume.bigint, source.text )
CREATE TABLE financial_services.employees ( employee_id.text, first_name.text, last_name.text, job_title.text, department.text, branch_id.text, email.text, phone_extension.text, hire_date.date, termination_date.date, manager_id.text, status.text )

[User] For each employee, could you show their full name alongside the sector and security name of any securities issued by a company with the same name as the employee's department?

[Assistant]
SELECT e.employee_id, e.first_name || ' ' || e.last_name AS employee_full_name, s.security_name, s.sector
FROM financial_services.employees e
JOIN financial_services.securities s
  ON e.department = s.issuer_name;

[User] Can you also include the ticker symbol and the employee's job title in the result?

[Assistant]
SELECT e.employee_id, e.first_name || ' ' || e.last_name AS employee_full_name, e.job_title, s.ticker_symbol, s.security_name, s.sector
FROM financial_services.employees e
JOIN financial_services.securities s
  ON e.department = s.issuer_name;

[User] Only show results where the security_type is 'Bond' and the sector is not null.

[Assistant]
SELECT e.employee_id, e.first_name || ' ' || e.last_name AS employee_full_name, e.job_title, s.ticker_symbol, s.security_name, s.sector
FROM financial_services.employees e
JOIN financial_services.securities s
  ON e.department = s.issuer_name
WHERE s.security_type = 'Bond' AND s.sector IS NOT NULL;

[User] Sort the results by sector ascending and then by employee last name ascending.

[Assistant]
SELECT e.employee_id, e.first_name || ' ' || e.last_name AS employee_full_name, e.job_title, s.ticker_symbol, s.security_name, s.sector
FROM financial_services.employees e
JOIN financial_services.securities s
  ON e.department = s.issuer_name
WHERE s.security_type = 'Bond' AND s.sector IS NOT NULL
ORDER BY s.sector ASC, e.last_name ASC;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE insurance.agents ( agent_id.text, first_name.text, last_name.text, agency_name.text, license_number.text, license_state.text, contact_email.text, contact_phone.text, hire_date.date, termination_date.date, status.text, commission_rate.numeric, manager_id.text )

[User] Retrieve a list of agents who were hired in 2024. Include agent_id, first_name, last_name, hire_date.

[Assistant]
SELECT agent_id, first_name, last_name, hire_date
FROM insurance.agents
WHERE hire_date >= '2024-01-01' AND hire_date < '2025-01-01';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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 )

[User] Show me all invoice numbers and due dates where the amount paid is exactly zero.

[Assistant] SELECT invoice_number, due_date FROM legal_services.invoices WHERE amount_paid = 0;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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 character varying(64) NOT NULL,  -- unique identifier for the room
    property_id character varying(64) NOT NULL, -- FK to properties table
    room_number character varying(10) NOT NULL, -- room number identifier (e.g., '101', 'Suite 2B')
    room_type_id character varying(64) NOT NULL, -- FK to room_types table
    floor integer, -- floor number the room is on
    status character varying(50) NOT NULL, -- e.g., Available, Occupied, Cleaning, OutOfOrder, Maintenance
    is_smoking boolean NOT NULL DEFAULT false, -- smoking allowed flag
    features text, -- description of features (e.g., Balcony, Sea View, Jacuzzi)
    current_condition text, -- notes on room condition
    last_cleaned_at timestamp with time zone, -- timestamp of last cleaning
    PRIMARY KEY (room_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id),
    FOREIGN KEY (room_type_id) REFERENCES hospitality_technology.room_types(room_type_id)
)
CREATE TABLE hospitality_technology.guests (
    guest_id character varying(64) NOT NULL,  -- unique identifier for the guest profile
    first_name character varying(100) NOT NULL, -- guest's first name
    last_name character varying(100) NOT NULL, -- guest's last name
    email character varying(255) UNIQUE, -- guest's email address (unique identifier?)
    phone_number character varying(30), -- guest's phone number
    date_of_birth date, -- guest's date of birth
    address_line1 character varying(255), -- guest's home address
    city character varying(100),
    state_province character varying(100),
    postal_code character varying(20),
    country_code character varying(3),
    preferences text, -- notes on guest preferences (e.g., allergies, room location)
    loyalty_member_id character varying(64) UNIQUE, -- FK to loyalty_members table
    communication_consent boolean DEFAULT true, -- consent for marketing communications
    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.staff (
    staff_id character varying(64) NOT NULL,  -- unique identifier for the staff member
    property_id character varying(64) NOT NULL, -- FK to properties table (primary property)
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    position character varying(100) NOT NULL, -- e.g., Front Desk Agent, Housekeeper, Manager, Concierge
    work_email character varying(255) UNIQUE, -- staff member's work email
    work_phone character varying(30),
    hire_date date NOT NULL,
    termination_date date, -- date employment ended (if applicable)
    is_active boolean NOT NULL DEFAULT true, -- currently employed flag
    access_level integer NOT NULL, -- permission level within systems (e.g., 1=basic, 5=admin)
    manager_id character varying(64), -- FK to staff table (self-referencing for supervisor)
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (staff_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id),
    FOREIGN KEY (manager_id) REFERENCES hospitality_technology.staff(staff_id)
)
CREATE TABLE hospitality_technology.services (
    service_id character varying(64) NOT NULL, -- unique identifier for a chargeable service
    property_id character varying(64) NOT NULL, -- FK to properties table
    service_name character varying(150) NOT NULL, -- e.g., Room Service - Burger, Spa - Massage 60min, Laundry - Shirt
    description text,
    category character varying(100), -- e.g., Food & Beverage, Wellness, Business Center, Activities
    price numeric(10, 2) NOT NULL, -- price per unit/instance
    unit character varying(30), -- e.g., Per Item, Per Hour, Per Day
    is_available boolean NOT NULL DEFAULT true, -- is the service currently offered?
    department character varying(100), -- department responsible (e.g., F&B, Spa, Housekeeping)
    PRIMARY KEY (service_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id)
)
CREATE TABLE hospitality_technology.reviews (
    review_id character varying(64) NOT NULL,  -- unique identifier for the review
    property_id character varying(64) NOT NULL, -- FK to properties table
    reservation_id character varying(64) UNIQUE, -- FK to reservations (link review to a specific stay, optional but good)
    guest_id character varying(64) NOT NULL, -- FK to guests table
    rating_overall integer, -- overall score (e.g., 1-5 or 1-10)
    rating_cleanliness integer,
    rating_service integer,
    rating_location integer,
    rating_value integer,
    comment text, -- guest's written feedback
    review_source character varying(100), -- e.g., DirectSurvey, TripAdvisor, Google, Booking.com
    review_date timestamp with time zone NOT NULL DEFAULT current_timestamp, -- when the review was submitted
    is_public boolean DEFAULT true, -- whether the review is publicly visible
    staff_response text, -- official response from the property
    response_staff_id character varying(64), -- FK to staff (who responded)
    response_date timestamp with time zone, -- when the response was posted
    PRIMARY KEY (review_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id),
    FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id),
    FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id),
    FOREIGN KEY (response_staff_id) REFERENCES hospitality_technology.staff(staff_id)
)

[User] Show the top 5 properties by average overall review rating.

[Assistant]
SELECT p.property_name, AVG(r.rating_overall) AS avg_rating
FROM hospitality_technology.properties p
JOIN hospitality_technology.reviews r
  ON p.property_id = r.property_id
GROUP BY p.property_name
ORDER BY avg_rating DESC
LIMIT 5;

[User] Only consider reviews that are publicly visible.

[Assistant]
SELECT p.property_name, AVG(r.rating_overall) AS avg_rating
FROM hospitality_technology.properties p
JOIN hospitality_technology.reviews r
  ON p.property_id = r.property_id
WHERE r.is_public = true
GROUP BY p.property_name
ORDER BY avg_rating DESC
LIMIT 5;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE trading_platform.utxos (
    utxo_id character varying(64) NOT NULL,  -- unique identifier for the UTXO
    transaction_id character varying(64) NOT NULL, -- identifier of the transaction that created the UTXO
    output_index integer NOT NULL, -- index of the output in the transaction
    address character varying(128) NOT NULL, -- address that can spend the UTXO
    amount numeric(38,14) NOT NULL, -- amount of the asset in the UTXO
    spent boolean NOT NULL, -- whether the UTXO has been spent
    PRIMARY KEY (utxo_id)
)
CREATE TABLE trading_platform.dapps (
    dapp_id character varying(64) NOT NULL,  -- unique identifier for the DApp
    name character varying(128) NOT NULL, -- name of the DApp
    description text NOT NULL, -- description of the DApp
    url character varying(256) NOT NULL, -- URL of the DApp
    PRIMARY KEY (dapp_id)
)
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.logs (
    log_id character varying(64) NOT NULL,  -- unique identifier for the log entry
    user_id character varying(64), -- identifier of the user associated with the log entry
    action character varying(128) NOT NULL, -- action performed
    details text NOT NULL, -- details of the action
    logged_at timestamp NOT NULL, -- time when the log entry was created
    PRIMARY KEY (log_id)
)

[User] How many UTXOs have the 'spent' flag set to false?

[Assistant]
SELECT COUNT(*) AS unspent_utxo_count
FROM trading_platform.utxos
WHERE spent = false;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE transportation.drivers ( driver_id text PRIMARY KEY, employee_id text, first_name text, last_name text, license_number text, license_expiry_date date, contact_number text, email text, hire_date date, status text )
CREATE TABLE transportation.trips ( trip_id.text, route_id.text, vehicle_id.text, driver_id.text, scheduled_departure.timestamp, actual_departure.timestamp, scheduled_arrival.timestamp, actual_arrival.timestamp, origin_location_id.text, destination_location_id.text, status.text, passenger_count.integer, cargo_manifest_id.text )
CREATE TABLE transportation.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.passengers ( passenger_id text PRIMARY KEY, first_name text, last_name text, email text, phone_number text, date_of_birth date, loyalty_program_id text, created_at timestamp )
CREATE TABLE transportation.bookings ( booking_id.text, passenger_id.text, trip_id.text, seat_number.text, booking_time.timestamp, status.text, fare.numeric, payment_transaction_id.text, special_requests.text )

[User] For each trip, show the trip ID, scheduled departure, and the last name of the driver.

[Assistant]
SELECT t.trip_id, t.scheduled_departure, d.last_name
FROM transportation.trips t
JOIN transportation.drivers d ON t.driver_id = d.driver_id;

[User] I see some trip IDs are repeated. Only show distinct pairs of trip ID and driver last name.

[Assistant]
SELECT DISTINCT t.trip_id, d.last_name
FROM transportation.trips t
JOIN transportation.drivers d ON t.driver_id = d.driver_id;

[User] Also, for these trips, include the name of the destination location.

[Assistant]
SELECT DISTINCT t.trip_id, d.last_name, l.name AS destination_location_name
FROM transportation.trips t
JOIN transportation.drivers d ON t.driver_id = d.driver_id
JOIN transportation.locations l ON t.destination_location_id = l.location_id;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE social_media.users ( user_id.text, username.text, email.text, password_hash.text, full_name.text, profile_picture_url.text, bio.text, location.text, created_at.timestamp, updated_at.timestamp, is_verified.boolean )
CREATE TABLE social_media.likes ( like_id.text, user_id.text, post_id.text, comment_id.text, created_at.timestamp )
CREATE TABLE social_media.follows ( follow_id.text, follower_user_id.text, following_user_id.text, created_at.timestamp )
CREATE TABLE social_media.hashtags ( hashtag_id.text, tag_name.text, created_at.timestamp )
CREATE TABLE social_media.notifications ( notification_id.text, recipient_user_id.text, sender_user_id.text, notification_type.text, target_entity_id.text, target_entity_type.text, created_at.timestamp, read_at.timestamp )

[User] Show me the usernames of all verified users who have liked any comment and the like creation time.

[Assistant]
SELECT u.username, l.created_at
FROM social_media.likes l
JOIN social_media.users u ON l.user_id = u.user_id
WHERE l.comment_id IS NOT NULL AND u.is_verified = true;

[User] Now, show the comment ID as well.

[Assistant]
SELECT u.username, l.comment_id, l.created_at
FROM social_media.likes l
JOIN social_media.users u ON l.user_id = u.user_id
WHERE l.comment_id IS NOT NULL AND u.is_verified = true;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE legal_services.invoices (
    invoice_id character varying(64) NOT NULL,  -- unique identifier for the invoice
    invoice_number character varying(100) UNIQUE NOT NULL, -- user-facing invoice number
    client_id character varying(64) NOT NULL, -- FK to clients table
    case_id character varying(64), -- FK to cases table (optional, could be general retainer)
    issue_date date NOT NULL, -- date the invoice was generated
    due_date date NOT NULL, -- date the payment is due
    total_amount numeric(12, 2) NOT NULL, -- total amount due on the invoice
    amount_paid numeric(12, 2) DEFAULT 0.00, -- amount already paid
    status character varying(50) NOT NULL, -- e.g., Draft, Sent, Paid, Partially Paid, Overdue, Void
    payment_date timestamp, -- date the invoice was fully paid (nullable)
    notes text, -- additional notes or terms on the invoice
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (invoice_id)
)

[User] Show me the total invoice amount and the number of invoices for each client in 2024, and include the earliest and latest invoice issue date for each client.

[Assistant]
SELECT client_id, SUM(total_amount) AS total_invoice_amount, COUNT(*) AS invoice_count, MIN(issue_date) AS earliest_issue_date, MAX(issue_date) AS latest_issue_date
FROM legal_services.invoices
WHERE EXTRACT(YEAR FROM issue_date) = 2024
GROUP BY client_id;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE hospitality_technology.payments ( payment_id text PRIMARY KEY, reservation_id text, guest_id text, bill_id text, amount numeric, currency_code text, payment_method text, card_type text, card_last_four text, transaction_ref text, payment_timestamp timestamp, status text, staff_id_processed text, notes text )

[User] Find the total amount of payments and the number of payments for each status.

[Assistant]
SELECT status, SUM(amount) AS total_amount, COUNT(*) AS payment_count
FROM hospitality_technology.payments
GROUP BY status;

[User] Actually, could you also include the breakdown by payment method within each status?

[Assistant]
SELECT status, payment_method, SUM(amount) AS total_amount, COUNT(*) AS payment_count
FROM hospitality_technology.payments
GROUP BY status, payment_method;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE token_dexpool_info ( pair_address.text, token_name.text, token_symbol.text, chain.text, price.numeric, price_change_percentage_1h.numeric, price_change_percentage_6h.numeric, price_change_percentage_24h.numeric, makers_24h.numeric, volume_24h.numeric, liquidity.numeric, market_cap.numeric, trend_rank.numeric )

[User] Which tokens have the highest liquidity on the Ethereum chain and what are their current prices and 24-hour trading volumes?

[Assistant] SELECT token_symbol, price, liquidity, volume_24h FROM token_dexpool_info WHERE chain = 'Ethereum' ORDER BY liquidity DESC LIMIT 10;

[User] Can you also show their trend rank and market cap in the result?

[Assistant] SELECT token_symbol, price, liquidity, volume_24h, trend_rank, market_cap FROM token_dexpool_info WHERE chain = 'Ethereum' ORDER BY liquidity DESC LIMIT 10;

[User] I am seeing tokens with very low market cap. Please only include tokens where market_cap is greater than 50,000,000.

[Assistant] SELECT token_symbol, price, liquidity, volume_24h, trend_rank, market_cap FROM token_dexpool_info WHERE chain = 'Ethereum' AND market_cap > 50000000 ORDER BY liquidity DESC LIMIT 10;

[User] Now, please limit the result to only the top 5 tokens by liquidity and display the 6h price change percentage as well.

[Assistant] SELECT token_symbol, price, liquidity, volume_24h, trend_rank, market_cap, price_change_percentage_6h FROM token_dexpool_info WHERE chain = 'Ethereum' AND market_cap > 50000000 ORDER BY liquidity DESC LIMIT 5;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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] 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 expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE transportation.vehicles ( vehicle_id text, license_plate text, vin text, make text, model text, year integer, type text, capacity integer, fuel_type text, status text, depot_id text, acquisition_date date )

[User] Can you list all vehicles acquired in 2023, their make, model, and acquisition date?

[Assistant] SELECT vehicle_id, make, model, acquisition_date FROM transportation.vehicles WHERE acquisition_date >= '2023-01-01' AND acquisition_date < '2024-01-01';

[User] Add the vehicle's license plate and fuel type to the result.

[Assistant] SELECT vehicle_id, license_plate, make, model, fuel_type, acquisition_date FROM transportation.vehicles WHERE acquisition_date >= '2023-01-01' AND acquisition_date < '2024-01-01';

[User] Only include vehicles with a capacity greater than 40.

[Assistant] SELECT vehicle_id, license_plate, make, model, fuel_type, acquisition_date FROM transportation.vehicles WHERE acquisition_date >= '2023-01-01' AND acquisition_date < '2024-01-01' AND capacity > 40;

[User] I got an error because 'capacity' is not in SELECT. Please add the capacity to the results.

[Assistant] SELECT vehicle_id, license_plate, make, model, fuel_type, capacity, acquisition_date FROM transportation.vehicles WHERE acquisition_date >= '2023-01-01' AND acquisition_date < '2024-01-01' AND capacity > 40;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE web3.tokens (
    token_id character varying(64) NOT NULL,  -- unique identifier for the token
    contract_address character varying(128) NOT NULL, -- address of the token contract
    token_name character varying(128) NOT NULL, -- name of the token
    token_symbol character varying(32) NOT NULL, -- symbol of the token
    decimals integer NOT NULL, -- number of decimals for the token
    total_supply numeric(38,14) NOT NULL, -- total supply of the token
    PRIMARY KEY (token_id)
)

[User] List the token symbol, token name, and contract address for all tokens that have no recorded transfers in the token_transfers table.

[Assistant] SELECT T.token_symbol, T.token_name, T.contract_address FROM web3.tokens AS T LEFT JOIN token_transfers AS TT ON T.token_id = TT.token_id WHERE TT.transfer_id IS NULL;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE government_services.documents ( document_id text, application_id text, citizen_id text, document_type text, file_reference text, upload_timestamp timestamp, expiry_date date, verification_status text, verified_by_employee_id text, verification_timestamp timestamp )

[User] List the application ID and citizen ID for all documents of type 'Proof of Address'.

[Assistant] SELECT application_id, citizen_id FROM government_services.documents WHERE document_type = 'Proof of Address';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE government_services.payments ( payment_id character varying(64) NOT NULL, application_id character varying(64), citizen_id character varying(64) NOT NULL, service_id character varying(64), amount numeric(12, 2) NOT NULL, currency character varying(3) NOT NULL DEFAULT 'USD', payment_method character varying(50), payment_provider_reference character varying(128), payment_timestamp timestamp NOT NULL, status character varying(30) NOT NULL, notes text, PRIMARY KEY (payment_id) )

[User] For each payment method, show the total number of completed payments and the total amount paid.

[Assistant] SELECT payment_method, COUNT(*) AS completed_count, SUM(amount) AS total_paid FROM government_services.payments WHERE status = 'Completed' GROUP BY payment_method;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE social_media.comments ( comment_id.text, post_id.text, user_id.text, parent_comment_id.text, content.text, created_at.timestamp, updated_at.timestamp )
CREATE TABLE social_media.follows ( follow_id.text, follower_user_id.text, following_user_id.text, created_at.timestamp )
CREATE TABLE social_media.conversations ( conversation_id.text, created_at.timestamp, last_message_at.timestamp, is_group_chat.boolean, group_name.text )
CREATE TABLE social_media.notifications ( notification_id.text, recipient_user_id.text, sender_user_id.text, notification_type.text, target_entity_id.text, target_entity_type.text, created_at.timestamp, read_at.timestamp )

[User] Show me the notification ID, recipient user ID, and notification type for notifications received by users that user 'user123' is following.

[Assistant] SELECT n.notification_id, n.recipient_user_id, n.notification_type FROM social_media.notifications AS n JOIN social_media.follows AS f ON n.recipient_user_id = f.following_user_id WHERE f.follower_user_id = 'user123';

[User] Filter this list to only include notifications created after '2024-06-01' and also show the notification creation time.

[Assistant] SELECT n.notification_id, n.recipient_user_id, n.notification_type, n.created_at FROM social_media.notifications AS n JOIN social_media.follows AS f ON n.recipient_user_id = f.following_user_id WHERE f.follower_user_id = 'user123' AND n.created_at >= '2024-06-01';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE government_services.agencies (
    agency_id character varying(64) NOT NULL, -- unique identifier for the agency
    agency_name character varying(255) NOT NULL, -- full name of the government agency
    jurisdiction_level character varying(50) NOT NULL, -- e.g., Federal, State, County, City
    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), -- FK to self for hierarchical structure
    PRIMARY KEY (agency_id)
)
CREATE TABLE government_services.applications (
    application_id character varying(64) NOT NULL, -- unique identifier for the application
    citizen_id character varying(64) NOT NULL, -- FK to citizens table
    service_id character varying(64) NOT NULL, -- FK to services table
    submitted_at timestamp NOT NULL, -- time the application was submitted
    status character varying(50) NOT NULL, -- e.g., Submitted, Processing, Approved, Rejected, Pending Info
    last_updated_at timestamp NOT NULL, -- time the status or details last changed
    assigned_employee_id character varying(64), -- FK to employees table (optional)
    decision_date date, -- date when a final decision was made
    notes text, -- internal notes or citizen-provided comments
    reference_number character varying(100) UNIQUE, -- publicly visible reference number
    PRIMARY KEY (application_id)
)
CREATE TABLE government_services.documents (
    document_id character varying(64) NOT NULL, -- unique identifier for the document instance
    application_id character varying(64), -- FK to applications table (optional, could be linked to citizen directly)
    citizen_id character varying(64) NOT NULL, -- FK to citizens table
    document_type character varying(100) NOT NULL, -- e.g., Passport Scan, Proof of Address, Birth Certificate
    file_reference text NOT NULL, -- reference to the stored file (e.g., S3 URL, internal path)
    upload_timestamp timestamp NOT NULL,
    expiry_date date,
    verification_status character varying(30) DEFAULT 'Pending', -- e.g., Pending, Verified, Rejected
    verified_by_employee_id character varying(64), -- FK to employees table
    verification_timestamp timestamp,
    PRIMARY KEY (document_id)
)
CREATE TABLE government_services.service_locations (
    location_id character varying(64) NOT NULL, -- unique identifier for the physical location
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    location_name character varying(200), -- e.g., Downtown DMV Office
    address text NOT NULL,
    city character varying(100),
    state character varying(50),
    postal_code character varying(20),
    latitude numeric(9, 6),
    longitude numeric(9, 6),
    operating_hours text, -- description of opening times
    contact_phone character varying(32),
    is_accessible boolean, -- accessibility information (e.g., wheelchair access)
    PRIMARY KEY (location_id)
)

[User] How many documents are set to expire in the year 2025?

[Assistant]
SELECT COUNT(*) AS document_count
FROM government_services.documents
WHERE expiry_date >= '2025-01-01' AND expiry_date < '2026-01-01';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE government_services.citizens (
    citizen_id character varying(64) NOT NULL,  -- unique identifier for the citizen
    national_id_number character varying(128) NOT NULL UNIQUE, -- official national identification number
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    date_of_birth date NOT NULL,
    gender character varying(20),
    primary_address text NOT NULL, -- full primary residential address
    contact_email character varying(128) UNIQUE,
    contact_phone character varying(32),
    registration_date timestamp NOT NULL, -- when the citizen profile was created
    is_verified boolean DEFAULT false, -- whether identity has been officially verified
    PRIMARY KEY (citizen_id)
)
CREATE TABLE government_services.services ( service_id character varying(64) NOT NULL, agency_id character varying(64) NOT NULL, service_name character varying(255) NOT NULL, description text, category character varying(100), eligibility_criteria text, standard_fee numeric(10, 2) DEFAULT 0.00, average_processing_time_days integer, is_active boolean DEFAULT true, online_application_url character varying(255), PRIMARY KEY (service_id) )
CREATE TABLE government_services.applications ( application_id character varying(64) NOT NULL, citizen_id character varying(64) NOT NULL, service_id character varying(64) NOT NULL, submitted_at timestamp NOT NULL, status character varying(50) NOT NULL, last_updated_at timestamp NOT NULL, assigned_employee_id character varying(64), decision_date date, notes text, reference_number character varying(100) UNIQUE, PRIMARY KEY (application_id) )
CREATE TABLE government_services.documents ( document_id text, application_id text, citizen_id text, document_type text, file_reference text, upload_timestamp timestamp, expiry_date date, verification_status text, verified_by_employee_id text, verification_timestamp timestamp )
CREATE TABLE government_services.payments ( payment_id text, application_id text, citizen_id text, service_id text, amount numeric, currency text, payment_method text, payment_provider_reference text, payment_timestamp timestamp, status text, notes text )
CREATE TABLE government_services.employees ( employee_id character varying(64) NOT NULL, agency_id character varying(64) NOT NULL, 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, access_level character varying(50), manager_employee_id character varying(64), PRIMARY KEY (employee_id) )
CREATE TABLE government_services.service_locations (
    location_id character varying(64) NOT NULL, -- unique identifier for the physical location
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    location_name character varying(200), -- e.g., Downtown DMV Office
    address text NOT NULL,
    city character varying(100),
    state character varying(50),
    postal_code character varying(20),
    latitude numeric(9, 6),
    longitude numeric(9, 6),
    operating_hours text, -- description of opening times
    contact_phone character varying(32),
    is_accessible boolean, -- accessibility information (e.g., wheelchair access)
    PRIMARY KEY (location_id)
)
CREATE TABLE government_services.appointments ( appointment_id text PRIMARY KEY, citizen_id text, employee_id text, location_id text, service_id text, scheduled_start_time timestamp, scheduled_end_time timestamp, purpose text, status text, booking_method text, created_at timestamp, notes text )
CREATE TABLE government_services.notifications ( notification_id character varying(64) NOT NULL, citizen_id character varying(64) NOT NULL, application_id character varying(64), message_subject character varying(255), message_body text NOT NULL, channel character varying(30) NOT NULL, sent_at timestamp NOT NULL, status character varying(30) NOT NULL, related_entity_type character varying(50), related_entity_id character varying(64), PRIMARY KEY (notification_id) )

[User] Find all citizens who have both uploaded at least one document and made at least one payment. Show their citizen ID, full name, and contact email.

[Assistant]
SELECT c.citizen_id, c.first_name || ' ' || c.last_name AS full_name, c.contact_email
FROM government_services.citizens c
WHERE EXISTS (
    SELECT 1 FROM government_services.documents d WHERE d.citizen_id = c.citizen_id
) AND EXISTS (
    SELECT 1 FROM government_services.payments p WHERE p.citizen_id = c.citizen_id
);


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE government_services.citizens ( citizen_id character varying(64) NOT NULL, national_id_number character varying(128) NOT NULL UNIQUE, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, date_of_birth date NOT NULL, gender character varying(20), primary_address text NOT NULL, contact_email character varying(128) UNIQUE, contact_phone character varying(32), registration_date timestamp NOT NULL, is_verified boolean DEFAULT false, PRIMARY KEY (citizen_id) )
CREATE TABLE government_services.employees ( employee_id character varying(64) NOT NULL, agency_id character varying(64) NOT NULL, 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, access_level character varying(50), manager_employee_id character varying(64), PRIMARY KEY (employee_id) )
CREATE TABLE government_services.service_locations ( location_id character varying(64) NOT NULL, agency_id character varying(64) NOT NULL, location_name character varying(200), address text NOT NULL, city character varying(100), state character varying(50), postal_code character varying(20), latitude numeric(9, 6), longitude numeric(9, 6), operating_hours text, contact_phone character varying(32), is_accessible boolean, PRIMARY KEY (location_id) )
CREATE TABLE government_services.appointments ( appointment_id character varying(64) NOT NULL, citizen_id character varying(64) NOT NULL, employee_id character varying(64), location_id character varying(64), service_id character varying(64), scheduled_start_time timestamp NOT NULL, scheduled_end_time timestamp, purpose text NOT NULL, status character varying(30) NOT NULL, booking_method character varying(50), created_at timestamp NOT NULL, notes text, PRIMARY KEY (appointment_id) )
CREATE TABLE government_services.notifications ( notification_id character varying(64) NOT NULL, citizen_id character varying(64) NOT NULL, application_id character varying(64), message_subject character varying(255), message_body text NOT NULL, channel character varying(30) NOT NULL, sent_at timestamp NOT NULL, status character varying(30) NOT NULL, related_entity_type character varying(50), related_entity_id character varying(64), PRIMARY KEY (notification_id) )

[User] Could you list each service location's name, city, and the total number of appointments scheduled there, only for accessible locations?

[Assistant]
SELECT sl.location_name, sl.city, COUNT(a.appointment_id) AS appointment_count
FROM government_services.service_locations sl
LEFT JOIN government_services.appointments a
  ON sl.location_id = a.location_id
WHERE sl.is_accessible = TRUE
GROUP BY sl.location_name, sl.city;

[User] Actually, I only want to include appointments with status 'Completed'.

[Assistant]
SELECT sl.location_name, sl.city, COUNT(a.appointment_id) AS completed_appointments
FROM government_services.service_locations sl
JOIN government_services.appointments a
  ON sl.location_id = a.location_id
WHERE sl.is_accessible = TRUE
  AND a.status = 'Completed'
GROUP BY sl.location_name, sl.city;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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.utxos ( utxo_id text PRIMARY KEY, transaction_id text, output_index int, address text, amount numeric, spent boolean )
CREATE TABLE trading_platform.peers ( peer_id text PRIMARY KEY, ip_address text, port int, last_seen timestamp )
CREATE TABLE trading_platform.metadata ( metadata_id text PRIMARY KEY, asset_id text, key text, value text )
CREATE TABLE trading_platform.kyc_audit ( kyc_audit_id text PRIMARY KEY, user_id text, status text, reviewed_at timestamp )
CREATE TABLE trading_platform.logs ( log_id text PRIMARY KEY, user_id text, action text, details text, logged_at timestamp )
CREATE TABLE trading_platform.notifications ( notification_id text PRIMARY KEY, user_id text, message text, sent_at timestamp, read_at timestamp )

[User] Retrieve all orders placed after '2024-06-01', including order_id, user_id, asset_id, quantity, and price.

[Assistant]
SELECT order_id, user_id, asset_id, quantity, price
FROM trading_platform.orders
WHERE created_at > '2024-06-01';

[User] Actually, only include orders for assets whose metadata key is 'category' and value is 'cryptocurrency'.

[Assistant]
SELECT o.order_id, o.user_id, o.asset_id, o.quantity, o.price
FROM trading_platform.orders o
JOIN trading_platform.metadata m ON o.asset_id = m.asset_id
WHERE o.created_at > '2024-06-01'
  AND m.key = 'category' AND m.value = 'cryptocurrency';

[User] Now, count the number of such orders per asset, along with the asset_id.

[Assistant]
SELECT o.asset_id, COUNT(*) AS order_count
FROM trading_platform.orders o
JOIN trading_platform.metadata m ON o.asset_id = m.asset_id
WHERE o.created_at > '2024-06-01'
  AND m.key = 'category' AND m.value = 'cryptocurrency'
GROUP BY o.asset_id;

[User] Finally, only show assets with more than 5 such orders, ordered by order_count descending.

[Assistant]
SELECT o.asset_id, COUNT(*) AS order_count
FROM trading_platform.orders o
JOIN trading_platform.metadata m ON o.asset_id = m.asset_id
WHERE o.created_at > '2024-06-01'
  AND m.key = 'category' AND m.value = 'cryptocurrency'
GROUP BY o.asset_id
HAVING COUNT(*) > 5
ORDER BY order_count DESC;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
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 me all patients who have scheduled appointments with doctors specializing in Cardiology, along with their appointment times and the doctors' full names.

[Assistant] SELECT p.patient_id, p.first_name, p.last_name, a.appointment_time, d.first_name AS doctor_first_name, d.last_name AS doctor_last_name FROM healthcare.patients p JOIN healthcare.appointments a ON p.patient_id = a.patient_id JOIN healthcare.doctors d ON a.doctor_id = d.doctor_id WHERE d.specialty = 'Cardiology' ORDER BY a.appointment_time;


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE government_services.notifications ( notification_id text, 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] Find all notifications where the message subject contains the word 'Alert'.

[Assistant] SELECT notification_id, citizen_id, application_id, message_subject, message_body, channel, sent_at, status, related_entity_type, related_entity_id FROM government_services.notifications WHERE message_subject LIKE '%Alert%';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE healthcare.patients ( patient_id character varying(64) NOT NULL, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, date_of_birth date NOT NULL, gender character varying(10), address text, phone_number character varying(20), email character varying(128) UNIQUE, emergency_contact_name character varying(200), emergency_contact_phone character varying(20), created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (patient_id) )
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.diagnoses (
    diagnosis_id character varying(64) NOT NULL, -- unique identifier for the diagnosis entry
    record_id character varying(64) NOT NULL, -- FK linking to the specific medical record entry
    patient_id character varying(64) NOT NULL, -- FK to patients table
    doctor_id character varying(64) NOT NULL, -- FK to doctors table (diagnosing doctor)
    diagnosis_code character varying(20) NOT NULL, -- standard code (e.g., ICD-10)
    code_type character varying(10) NOT NULL DEFAULT 'ICD-10', -- type of code used
    description text, -- textual description of the diagnosis
    diagnosis_date date NOT NULL, -- date the diagnosis was made
    status character varying(32) NOT NULL, -- e.g., Active, Resolved, Ruled Out
    is_chronic boolean DEFAULT false, -- flag for chronic conditions
    PRIMARY KEY (diagnosis_id)
)
CREATE TABLE healthcare.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] List the full names and dates of birth for all patients who do not have a phone number on record.

[Assistant] SELECT first_name, last_name, date_of_birth FROM healthcare.patients WHERE phone_number IS NULL OR TRIM(phone_number) = '';


System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE transportation.fuel_logs (
    fuel_log_id character varying(64) NOT NULL,  -- unique identifier for the fuel log entry
    vehicle_id character varying(64) NOT NULL, -- identifier of the vehicle fueled
    trip_id character varying(64), -- optional: identifier of the trip during which fueling occurred
    log_timestamp timestamp with time zone NOT NULL, -- time when fueling occurred
    fuel_type character varying(32) NOT NULL, -- type of fuel added (matches vehicle's fuel type)
    quantity numeric(10, 3) NOT NULL, -- amount of fuel added (e.g., Liters, Gallons, kWh)
    unit character varying(16) NOT NULL, -- unit of quantity (e.g., L, gal, kWh)
    cost_per_unit numeric(8, 4), -- price per unit of fuel
    total_cost numeric(10, 2) NOT NULL, -- total cost of the fuel purchase
    odometer_reading integer, -- vehicle mileage at time of fueling
    location_id character varying(64), -- identifier of the fueling station/location
    PRIMARY KEY (fuel_log_id)
)

[User] For each fueling event, show its fuel_log_id, vehicle_id, log_timestamp, and the previous fueling event's fuel_log_id, log_timestamp, and quantity for the same vehicle.

[Assistant]
SELECT fl.fuel_log_id,
       fl.vehicle_id,
       fl.log_timestamp AS current_timestamp,
       fl.quantity AS current_quantity,
       prev.fuel_log_id AS previous_fuel_log_id,
       prev.log_timestamp AS previous_timestamp,
       prev.quantity AS previous_quantity
FROM transportation.fuel_logs fl
LEFT JOIN transportation.fuel_logs prev
  ON fl.vehicle_id = prev.vehicle_id
  AND prev.log_timestamp = (
    SELECT MAX(log_timestamp)
    FROM transportation.fuel_logs
    WHERE vehicle_id = fl.vehicle_id
      AND log_timestamp < fl.log_timestamp
  );