[User] Find all users who have placed buy orders but never sell orders, along with their email addresses.

[Assistant] SELECT DISTINCT u.user_id, u.email FROM trading_platform.users u JOIN trading_platform.orders o ON u.user_id = o.user_id WHERE o.order_type = 'buy' AND u.user_id NOT IN (SELECT DISTINCT user_id FROM trading_platform.orders WHERE order_type = 'sell');

[User] Now modify the query to include the total quantity of assets they've ordered and the average order price.

[Assistant] SELECT u.user_id, u.email, SUM(o.quantity) AS total_quantity, AVG(o.price) AS avg_price FROM trading_platform.users u JOIN trading_platform.orders o ON u.user_id = o.user_id WHERE o.order_type = 'buy' AND u.user_id NOT IN (SELECT DISTINCT user_id FROM trading_platform.orders WHERE order_type = 'sell') GROUP BY u.user_id, u.email;

[User] Actually, I want to see only users who have placed more than 5 buy orders and have a total order quantity over 100.

[Assistant] SELECT u.user_id, u.email, SUM(o.quantity) AS total_quantity, AVG(o.price) AS avg_price, COUNT(o.order_id) AS order_count FROM trading_platform.users u JOIN trading_platform.orders o ON u.user_id = o.user_id WHERE o.order_type = 'buy' AND u.user_id NOT IN (SELECT DISTINCT user_id FROM trading_platform.orders WHERE order_type = 'sell') GROUP BY u.user_id, u.email HAVING COUNT(o.order_id) > 5 AND SUM(o.quantity) > 100;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.users ( user_id character varying(64) NOT NULL, username character varying(128) NOT NULL, email character varying(128) NOT NULL, password_hash text NOT NULL, created_at timestamp NOT NULL, PRIMARY KEY (user_id) )
CREATE TABLE trading_platform.wallets ( wallet_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, address character varying(128) NOT NULL, private_key text NOT NULL, created_at timestamp NOT NULL, PRIMARY KEY (wallet_id) )
CREATE TABLE trading_platform.orders ( order_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, wallet_id character varying(64) NOT NULL, asset_id character varying(64) NOT NULL, order_type character varying(32) NOT NULL, quantity numeric(38,14) NOT NULL, price numeric(38,14) NOT NULL, status character varying(32) NOT NULL, created_at timestamp NOT NULL, PRIMARY KEY (order_id) )
CREATE TABLE trading_platform.trades ( trade_id character varying(64) NOT NULL, order_id character varying(64) NOT NULL, buyer_id character varying(64) NOT NULL, seller_id character varying(64) NOT NULL, asset_id character varying(64) NOT NULL, quantity numeric(38,14) NOT NULL, price numeric(38,14) NOT NULL, traded_at timestamp NOT NULL, PRIMARY KEY (trade_id) )
CREATE TABLE trading_platform.assets ( asset_id character varying(64) NOT NULL, name character varying(128) NOT NULL, symbol character varying(32) NOT NULL, type character varying(32) NOT NULL, PRIMARY KEY (asset_id) )
CREATE TABLE trading_platform.utxos ( utxo_id character varying(64) NOT NULL, transaction_id character varying(64) NOT NULL, output_index integer NOT NULL, address character varying(128) NOT NULL, amount numeric(38,14) NOT NULL, spent boolean NOT NULL, PRIMARY KEY (utxo_id) )
CREATE TABLE trading_platform.dapps ( dapp_id character varying(64) NOT NULL, name character varying(128) NOT NULL, description text NOT NULL, url character varying(256) NOT NULL, PRIMARY KEY (dapp_id) )
CREATE TABLE trading_platform.peers ( peer_id character varying(64) NOT NULL, ip_address character varying(15) NOT NULL, port integer NOT NULL, last_seen timestamp NOT NULL, PRIMARY KEY (peer_id) )
CREATE TABLE trading_platform.metadata ( metadata_id character varying(64) NOT NULL, asset_id character varying(64) NOT NULL, key character varying(128) NOT NULL, value text NOT NULL, PRIMARY KEY (metadata_id) )
CREATE TABLE trading_platform.kyc_audit ( kyc_audit_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, status character varying(32) NOT NULL, reviewed_at timestamp NOT NULL, PRIMARY KEY (kyc_audit_id) )
CREATE TABLE trading_platform.notifications ( notification_id character varying(64) NOT NULL, user_id character varying(64) NOT NULL, message text NOT NULL, sent_at timestamp NOT NULL, read_at timestamp, PRIMARY KEY (notification_id) )


[User] Get the number of agents grouped by status. Return status and agent_count.

[Assistant]
SELECT status,
       COUNT(*) AS agent_count
  FROM insurance.agents
 GROUP BY status;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE insurance.agents ( agent_id text PRIMARY KEY, 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] List all pairs of beneficiaries on the same policy, showing policy_id, beneficiary1_id, beneficiary1 first_name, beneficiary1 last_name, beneficiary2_id, beneficiary2 first_name, and beneficiary2 last_name.

[Assistant]
SELECT b1.policy_id,
       b1.beneficiary_id AS beneficiary1_id,
       b1.first_name AS beneficiary1_first,
       b1.last_name AS beneficiary1_last,
       b2.beneficiary_id AS beneficiary2_id,
       b2.first_name AS beneficiary2_first,
       b2.last_name AS beneficiary2_last
FROM insurance.policy_beneficiaries b1
JOIN insurance.policy_beneficiaries b2
  ON b1.policy_id = b2.policy_id
 AND b1.beneficiary_id < b2.beneficiary_id;

[User] Actually, only include pairs where the first beneficiary’s relationship is 'Spouse'.

[Assistant]
SELECT b1.policy_id,
       b1.beneficiary_id AS beneficiary1_id,
       b1.first_name AS beneficiary1_first,
       b1.last_name AS beneficiary1_last,
       b2.beneficiary_id AS beneficiary2_id,
       b2.first_name AS beneficiary2_first,
       b2.last_name AS beneficiary2_last
FROM insurance.policy_beneficiaries b1
JOIN insurance.policy_beneficiaries b2
  ON b1.policy_id = b2.policy_id
 AND b1.beneficiary_id < b2.beneficiary_id
WHERE b1.relationship = 'Spouse';

[User] And also filter to only include cases where the spouse's percentage_share is above 25%.

[Assistant]
SELECT b1.policy_id,
       b1.beneficiary_id AS beneficiary1_id,
       b1.first_name AS beneficiary1_first,
       b1.last_name AS beneficiary1_last,
       b2.beneficiary_id AS beneficiary2_id,
       b2.first_name AS beneficiary2_first,
       b2.last_name AS beneficiary2_last
FROM insurance.policy_beneficiaries b1
JOIN insurance.policy_beneficiaries b2
  ON b1.policy_id = b2.policy_id
 AND b1.beneficiary_id < b2.beneficiary_id
WHERE b1.relationship = 'Spouse'
  AND b1.percentage_share > 25;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE insurance.policy_beneficiaries ( beneficiary_id text, policy_id text, customer_id text, first_name text, last_name text, relationship text, percentage_share numeric, contact_info text, added_at timestamp )


[User] What is the current job satisfaction level or feedback from staff members working at a specific train station?

[Assistant] I'm sorry, but I can't provide information on job satisfaction levels or feedback from staff members as this data is not included in the staff table.

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


[User] For citizens who registered before January 1, 2023, show the total number of notifications sent to them for each channel. List the citizen's first name, last name, the channel, and the count of notifications.

[Assistant]
SELECT
  T1.first_name,
  T1.last_name,
  T2.channel,
  COUNT(T2.notification_id) AS notification_count
FROM government_services.citizens AS T1
INNER JOIN government_services.notifications AS T2
  ON T1.citizen_id = T2.citizen_id
WHERE
  T1.registration_date < '2023-01-01'
GROUP BY
  T1.citizen_id,
  T1.first_name,
  T1.last_name,
  T2.channel;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.citizens (
    citizen_id character varying(64) NOT NULL,  -- 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.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.services (
    service_id character varying(64) NOT NULL, -- unique identifier for the service
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    service_name character varying(255) NOT NULL, -- name of the service (e.g., Driver's License Renewal)
    description text,
    category character varying(100), -- e.g., Licensing, Benefits, Taxation, Permits
    eligibility_criteria text, -- description of who is eligible
    standard_fee numeric(10, 2) DEFAULT 0.00, -- typical fee for the service
    average_processing_time_days integer, -- estimated processing time
    is_active boolean DEFAULT true, -- whether the service is currently offered
    online_application_url character varying(255),
    PRIMARY KEY (service_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.appointments (
    appointment_id character varying(64) NOT NULL, -- unique identifier for the appointment
    citizen_id character varying(64) NOT NULL, -- FK to citizens table
    employee_id character varying(64), -- FK to employees table (optional, if assigned)
    location_id character varying(64), -- FK to service_locations table (if physical)
    service_id character varying(64), -- FK to services table (optional, if related to specific service)
    scheduled_start_time timestamp NOT NULL,
    scheduled_end_time timestamp,
    purpose text NOT NULL, -- reason for the appointment
    status character varying(30) NOT NULL, -- e.g., Scheduled, Completed, Cancelled, No-Show
    booking_method character varying(50), -- e.g., Online, Phone, In-Person
    created_at timestamp NOT NULL, -- when the appointment was booked
    notes text,
    PRIMARY KEY (appointment_id)
)
CREATE TABLE government_services.notifications (
    notification_id character varying(64) NOT NULL, -- unique identifier for the notification
    citizen_id character varying(64) NOT NULL, -- FK to citizens table
    application_id character varying(64), -- FK to applications table (optional)
    message_subject character varying(255),
    message_body text NOT NULL,
    channel character varying(30) NOT NULL, -- e.g., Email, SMS, Portal Message, Mail
    sent_at timestamp NOT NULL,
    status character varying(30) NOT NULL, -- e.g., Queued, Sent, Delivered, Failed, Read
    related_entity_type character varying(50), -- e.g., Application, Appointment, Document Request
    related_entity_id character varying(64), -- ID of the related entity
    PRIMARY KEY (notification_id)
)


[User] How many beneficiaries has each unique relationship type? List relationship and the count.

[Assistant]
SELECT relationship, COUNT(*) AS beneficiary_count
FROM insurance.policy_beneficiaries
GROUP BY relationship;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE insurance.policy_beneficiaries ( beneficiary_id text PRIMARY KEY, policy_id text, customer_id text, first_name text, last_name text, relationship text, percentage_share numeric, contact_info text, added_at timestamp )


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

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

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

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

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

[Assistant]
SELECT r1.reservation_id,
       r1.guest_id,
       r1.check_in_date,
       r2.reservation_id AS next_reservation_id,
       r2.check_in_date   AS next_check_in_date
FROM reservations r1
LEFT JOIN reservations r2
  ON r1.guest_id = r2.guest_id
 AND r2.check_in_date = (
       SELECT MIN(check_in_date)
       FROM reservations
       WHERE guest_id = r1.guest_id
         AND check_in_date > r1.check_in_date
     )
   AND r2.check_in_date <= r1.check_in_date + INTERVAL '30 days'
WHERE r1.guest_id IN (
  SELECT guest_id
  FROM reservations
  GROUP BY guest_id
  HAVING COUNT(*) >= 2
);

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.reservations ( reservation_id text, property_id text, guest_id text, room_id text, room_type_id text, check_in_date date, check_out_date date, actual_check_in_ts timestamp, actual_check_out_ts timestamp, num_adults integer, num_children integer, status text, booking_source text, rate_plan_id text, total_amount numeric, amount_paid numeric, special_requests text, created_at timestamp, updated_at timestamp )


[User] Count how many appointments have been canceled at each location. Return the location and cancelled_count.

[Assistant]
SELECT location, COUNT(*) AS cancelled_count
FROM legal_services.appointments
WHERE status = 'Canceled'
GROUP BY location;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.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 )
CREATE TABLE legal_services.lawyers (
    lawyer_id character varying(64) NOT NULL,  -- unique identifier for the lawyer
    first_name character varying(100) NOT NULL, -- lawyer's first name
    last_name character varying(100) NOT NULL, -- lawyer's last name
    bar_number character varying(64) UNIQUE NOT NULL, -- lawyer's bar association number
    firm_id character varying(64), -- FK to law_firms table
    email character varying(128) UNIQUE NOT NULL, -- lawyer's professional email
    phone character varying(32), -- lawyer's contact phone number
    specialization text, -- areas of legal expertise
    hire_date timestamp NOT NULL, -- date the lawyer was hired or joined
    is_partner boolean DEFAULT false, -- flag indicating if the lawyer is a partner
    PRIMARY KEY (lawyer_id)
)
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)
)
CREATE TABLE legal_services.invoices ( invoice_id.text, invoice_number.text, client_id.text, case_id.text, issue_date.date, due_date.date, total_amount.numeric, amount_paid.numeric, status.text, payment_date.timestamp, notes.text, created_at.timestamp )
CREATE TABLE legal_services.appointments (
    appointment_id character varying(64) NOT NULL, -- unique identifier for the appointment
    client_id character varying(64) NOT NULL, -- FK to clients table
    lawyer_id character varying(64) NOT NULL, -- FK to lawyers table
    case_id character varying(64), -- FK to cases table (optional, if related to a specific case)
    start_time timestamp NOT NULL, -- scheduled start date and time
    end_time timestamp NOT NULL, -- scheduled end date and time
    location text, -- location of the meeting (address or virtual link)
    subject character varying(255), -- subject or purpose of the appointment
    notes text, -- additional notes for the appointment
    status character varying(50) NOT NULL, -- e.g., Scheduled, Completed, Canceled, Rescheduled
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (appointment_id)
)


[User] Show the average maintenance cost for each service type per vehicle.

[Assistant]
SELECT vehicle_id,
       service_type,
       AVG(cost) AS avg_cost
FROM transportation.maintenance_logs
GROUP BY vehicle_id, service_type;

[User] Actually, only include those averages greater than 300.

[Assistant]
SELECT vehicle_id,
       service_type,
       AVG(cost) AS avg_cost
FROM transportation.maintenance_logs
GROUP BY vehicle_id, service_type
HAVING AVG(cost) > 300;

[User] Also include the number of services for each of those.

[Assistant]
SELECT vehicle_id,
       service_type,
       COUNT(*) AS service_count,
       AVG(cost) AS avg_cost
FROM transportation.maintenance_logs
GROUP BY vehicle_id, service_type
HAVING AVG(cost) > 300;

[User] Sort the results by avg_cost descending and limit to the top 5.

[Assistant]
SELECT vehicle_id,
       service_type,
       COUNT(*) AS service_count,
       AVG(cost) AS avg_cost
FROM transportation.maintenance_logs
GROUP BY vehicle_id, service_type
HAVING AVG(cost) > 300
ORDER BY avg_cost DESC
LIMIT 5;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.vehicles ( vehicle_id text PRIMARY KEY, license_plate text, vin text, make text, model text, year int, type text, capacity int, fuel_type text, status text, depot_id text, acquisition_date date )
CREATE TABLE transportation.locations ( location_id text PRIMARY KEY, name text, type text, address_line1 text, city text, state_province text, postal_code text, country text, latitude numeric, longitude numeric, timezone text )
CREATE TABLE transportation.maintenance_logs ( log_id.text, vehicle_id.text, service_date.date, odometer_reading.integer, service_type.text, description.text, cost.numeric, mechanic_name.text, next_service_due_date.date )
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] List all reservations made by guests from 'US', showing the reservation ID, guest first name, last name, and the property name.

[Assistant] SELECT T1.reservation_id, T2.first_name, T2.last_name, T3.property_name FROM hospitality_technology.reservations AS T1 JOIN hospitality_technology.guests AS T2 ON T1.guest_id = T2.guest_id JOIN hospitality_technology.properties AS T3 ON T1.property_id = T3.property_id WHERE T2.country_code = 'US';

[User] Only show reservations with status 'Confirmed'.

[Assistant] SELECT T1.reservation_id, T2.first_name, T2.last_name, T3.property_name FROM hospitality_technology.reservations AS T1 JOIN hospitality_technology.guests AS T2 ON T1.guest_id = T2.guest_id JOIN hospitality_technology.properties AS T3 ON T1.property_id = T3.property_id WHERE T2.country_code = 'US' AND T1.status = 'Confirmed';

[User] Also include the check-in and check-out dates, and order by check-in date descending.

[Assistant] SELECT T1.reservation_id, T2.first_name, T2.last_name, T3.property_name, T1.check_in_date, T1.check_out_date FROM hospitality_technology.reservations AS T1 JOIN hospitality_technology.guests AS T2 ON T1.guest_id = T2.guest_id JOIN hospitality_technology.properties AS T3 ON T1.property_id = T3.property_id WHERE T2.country_code = 'US' AND T1.status = 'Confirmed' ORDER BY T1.check_in_date DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.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, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, email character varying(255) UNIQUE, phone_number character varying(30), date_of_birth date, address_line1 character varying(255), city character varying(100), state_province character varying(100), postal_code character varying(20), country_code character varying(3), preferences text, loyalty_member_id character varying(64) UNIQUE, communication_consent boolean DEFAULT true, created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (guest_id) )
CREATE TABLE hospitality_technology.reservations ( reservation_id text, 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 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.service_orders ( order_id text, reservation_id text, guest_id text, service_id text, staff_id_ordered text, staff_id_delivered text, order_timestamp timestamp, delivery_timestamp timestamp, quantity integer, unit_price numeric, total_price numeric, status text, notes text, bill_id text )
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 text PRIMARY KEY, property_id text, reservation_id text, guest_id text, rating_overall int, rating_cleanliness int, rating_service int, rating_location int, rating_value int, comment text, review_source text, review_date timestamp, is_public boolean, staff_response text, response_staff_id text, response_date timestamp )


[User] Show the total number of customers in each state.

[Assistant]
SELECT
  state,
  COUNT(customer_id)
FROM insurance.customers
GROUP BY
  state;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE insurance.customers ( customer_id text, first_name text, last_name text, date_of_birth date, ssn_hash text, address_line1 text, address_line2 text, city text, state text, zip_code text, country text, phone_number text, email text, created_at timestamp, updated_at timestamp, status text )
CREATE TABLE insurance.claims (
    claim_id character varying(64) NOT NULL, -- unique identifier for the claim
    policy_id character varying(64) NOT NULL, -- identifier of the policy under which the claim is made (FK to policies)
    customer_id character varying(64) NOT NULL, -- identifier of the customer making the claim (FK to customers)
    incident_date timestamp NOT NULL, -- date and time of the incident leading to the claim
    reported_date timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- date the claim was reported
    description text NOT NULL, -- detailed description of the incident and claim
    estimated_loss numeric(15, 2), -- initial estimated cost of the loss
    status character varying(30) NOT NULL, -- e.g., Filed, Processing, Under Review, Approved, Denied, Settled
    settlement_amount numeric(15, 2), -- final amount paid out
    settlement_date date,
    claim_handler_id character varying(64), -- identifier for the employee handling the claim (FK to employees/adjusters)
    police_report_number character varying(100),
    PRIMARY KEY (claim_id)
)
CREATE TABLE insurance.insurance_products (
    product_id character varying(64) NOT NULL, -- unique identifier for the insurance product
    product_name character varying(150) NOT NULL, -- name of the insurance product (e.g., 'Comprehensive Auto Insurance')
    product_type character varying(50) NOT NULL, -- category like 'Auto', 'Home', 'Life', 'Health', 'Travel'
    description text, -- detailed description of the product
    base_premium numeric(10, 2) NOT NULL, -- starting premium before adjustments
    coverage_details text, -- details about what is covered (could be JSON or structured text)
    underwriting_rules text, -- rules used for assessing risk and eligibility
    is_active boolean NOT NULL DEFAULT true, -- whether the product is currently offered
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at timestamp,
    PRIMARY KEY (product_id)
)
CREATE TABLE insurance.claim_documents ( document_id character varying(64) NOT NULL, claim_id character varying(64) NOT NULL, document_type character varying(50) NOT NULL, file_name character varying(255) NOT NULL, file_path character varying(512) NOT NULL, file_size_bytes integer, mime_type character varying(100), uploaded_by character varying(64), uploaded_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, description text, PRIMARY KEY (document_id) )


[User] Can you list all pairs of doctors where one mentors another (meaning they share the same specialty and the mentor was created in the system before the mentee)? Include the full names of both the mentor and the mentee, as well as their shared specialty.

[Assistant]
SELECT
  d1.first_name || ' ' || d1.last_name AS mentor_name,
  d2.first_name || ' ' || d2.last_name AS mentee_name,
  d1.specialty
FROM healthcare.doctors d1
JOIN healthcare.doctors d2
  ON d1.specialty = d2.specialty
  AND d1.created_at < d2.created_at;

[User] Now, restrict the pairs so that the mentee was registered within the last year.

[Assistant]
SELECT
  d1.first_name || ' ' || d1.last_name AS mentor_name,
  d2.first_name || ' ' || d2.last_name AS mentee_name,
  d1.specialty
FROM healthcare.doctors d1
JOIN healthcare.doctors d2
  ON d1.specialty = d2.specialty
  AND d1.created_at < d2.created_at
WHERE d2.created_at >= NOW() - INTERVAL '1 year';

[User] Additionally, only consider pairs where the mentor's hospital_affiliation_id is 'hospital_456'.

[Assistant]
SELECT
  d1.first_name || ' ' || d1.last_name AS mentor_name,
  d2.first_name || ' ' || d2.last_name AS mentee_name,
  d1.specialty
FROM healthcare.doctors d1
JOIN healthcare.doctors d2
  ON d1.specialty = d2.specialty
  AND d1.created_at < d2.created_at
WHERE d2.created_at >= NOW() - INTERVAL '1 year'
  AND d1.hospital_affiliation_id = 'hospital_456';

[User] Finally, order the results by the mentor's last name.

[Assistant]
SELECT
  d1.first_name || ' ' || d1.last_name AS mentor_name,
  d2.first_name || ' ' || d2.last_name AS mentee_name,
  d1.specialty
FROM healthcare.doctors d1
JOIN healthcare.doctors d2
  ON d1.specialty = d2.specialty
  AND d1.created_at < d2.created_at
WHERE d2.created_at >= NOW() - INTERVAL '1 year'
  AND d1.hospital_affiliation_id = 'hospital_456'
ORDER BY d1.last_name;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE healthcare.doctors ( doctor_id text, first_name text, last_name text, specialty text, license_number text, phone_number text, email text, hospital_affiliation_id text, created_at timestamp, updated_at timestamp )


[User] What are the safety ratings or crash statistics for the Boeing 787 Dreamliner?

[Assistant] I'm sorry, but I don't have access to safety ratings or crash statistics for specific aircraft models like the Boeing 787 Dreamliner. My data is limited to the information in the aircraft_models table, which includes details such as model name, manufacturer, passenger capacity, and technical specifications. For safety-related information, I recommend consulting official aviation authorities or safety reports.

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


[User] What is the maintenance schedule for platform 3 at station DEF for the next month?

[Assistant] I'm sorry, but I don't have access to the maintenance schedule for platforms. The data I have only includes static information about platform details such as ID, station, number, track, status, length, and accessibility. For maintenance schedules, you may need to consult the station management or relevant department.

System:
You are an SQL statement expert and you can refuse the user's question if the question is not related to the table structure. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE train_station_management.platforms ( platform_id text, station_id text, platform_number text, track_number text, status text, length_meters numeric, accessible boolean )


[User] Count the number of policies issued in each calendar year, and show the year and the count.

[Assistant] SELECT EXTRACT(YEAR FROM issued_at), COUNT(*) FROM insurance.policies WHERE issued_at IS NOT NULL GROUP BY 1 ORDER BY 1;

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


[User] Show me the average investment value for projects that completed fundraising in the last 6 months, grouped by round name.

[Assistant] SELECT rounds_name, AVG(investment_value) as avg_investment FROM project_fundraising_record WHERE investment_date >= date('now', '-6 months') GROUP BY rounds_name;

[User] I only want to see rounds where the average investment is over $1 million.

[Assistant] SELECT rounds_name, AVG(investment_value) as avg_investment FROM project_fundraising_record WHERE investment_date >= date('now', '-6 months') GROUP BY rounds_name HAVING avg_investment > 1000000;

[User] Can you also include the count of projects for each of these rounds?

[Assistant] SELECT rounds_name, AVG(investment_value) as avg_investment, COUNT(*) as project_count FROM project_fundraising_record WHERE investment_date >= date('now', '-6 months') GROUP BY rounds_name HAVING avg_investment > 1000000;

[User] Now order the results by project count in descending order.

[Assistant] SELECT rounds_name, AVG(investment_value) as avg_investment, COUNT(*) as project_count FROM project_fundraising_record WHERE investment_date >= date('now', '-6 months') GROUP BY rounds_name HAVING avg_investment > 1000000 ORDER BY project_count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE project_fundraising_record ( id.text, project_id.text, project_name.text, rounds_name.text, investment_value.numeric, investment_date.text, introduction.text, valuation.numeric )


[User] List the content and comment ID for all comments made by users with private profiles.

[Assistant] SELECT c.comment_id, c.content FROM social_media.comments AS c JOIN social_media.user_settings AS us ON c.user_id = us.user_id WHERE us.private_profile = TRUE;

[User] Only show comments created in the year 2024.

[Assistant] SELECT c.comment_id, c.content FROM social_media.comments AS c JOIN social_media.user_settings AS us ON c.user_id = us.user_id WHERE us.private_profile = TRUE AND c.created_at >= '2024-01-01' AND c.created_at < '2025-01-01';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.comments (
    comment_id character varying(64) NOT NULL, -- unique identifier for the comment
    post_id character varying(64) NOT NULL, -- identifier of the post being commented on (FK to posts.post_id)
    user_id character varying(64) NOT NULL, -- identifier of the user who made the comment (FK to users.user_id)
    parent_comment_id character varying(64), -- identifier of the parent comment if it's a reply (FK to comments.comment_id)
    content text NOT NULL, -- textual content of the comment
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of comment creation
    updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last comment edit
    PRIMARY KEY (comment_id)
)
CREATE TABLE social_media.conversation_participants ( participant_id text, conversation_id text, user_id text, joined_at timestamp, last_read_at timestamp )
CREATE TABLE social_media.user_settings ( setting_id text, user_id text, theme text, email_notifications_enabled boolean, push_notifications_enabled boolean, private_profile boolean, updated_at timestamp )


[User] Show me the usernames along with the names of group chats they are participating in and the dates they joined each group.

[Assistant]
SELECT u.username, c.group_name, cp.joined_at
FROM social_media.conversation_participants cp
JOIN social_media.users u ON cp.user_id = u.user_id
JOIN social_media.conversations c ON cp.conversation_id = c.conversation_id
WHERE c.is_group_chat = TRUE;

[User] Only display records where the user joined after January 1, 2024.

[Assistant]
SELECT u.username, c.group_name, cp.joined_at
FROM social_media.conversation_participants cp
JOIN social_media.users u ON cp.user_id = u.user_id
JOIN social_media.conversations c ON cp.conversation_id = c.conversation_id
WHERE c.is_group_chat = TRUE
AND cp.joined_at > '2024-01-01';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.users ( user_id text, 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.posts ( post_id text, user_id text, content text, media_url text, media_type text, created_at timestamp, updated_at timestamp, visibility text, location_lat numeric, location_lon numeric )
CREATE TABLE social_media.comments ( comment_id text, post_id text, user_id text, parent_comment_id text, content text, created_at timestamp, updated_at timestamp )
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.messages ( message_id text, conversation_id text, sender_user_id text, content text, media_url text, media_type text, sent_at timestamp, read_at timestamp )
CREATE TABLE social_media.conversations ( conversation_id text, created_at timestamp, last_message_at timestamp, is_group_chat boolean, group_name text )
CREATE TABLE social_media.conversation_participants ( participant_id text, conversation_id text, user_id text, joined_at timestamp, last_read_at timestamp )
CREATE TABLE social_media.user_settings ( setting_id text, user_id text, theme text, email_notifications_enabled boolean, push_notifications_enabled boolean, private_profile boolean, updated_at timestamp )


[User] List all wallet addresses that have unspent UTXOs with amounts greater than 100, along with the total unspent amount for each address.

[Assistant] SELECT w.address, SUM(u.amount) AS total_unspent FROM trading_platform.wallets w JOIN trading_platform.utxos u ON w.address = u.address WHERE u.spent = false AND u.amount > 100 GROUP BY w.address;

[User] Now modify the query to only include wallets created in the last year.

[Assistant] SELECT w.address, SUM(u.amount) AS total_unspent FROM trading_platform.wallets w JOIN trading_platform.utxos u ON w.address = u.address WHERE u.spent = false AND u.amount > 100 AND w.created_at >= NOW() - INTERVAL '1 year' GROUP BY w.address;

[User] I notice the query has a typo in 'INTERVAL'. Also, can you include the user's email address in the results?

[Assistant] SELECT w.address, u.email, SUM(ut.amount) AS total_unspent FROM trading_platform.wallets w JOIN trading_platform.users u ON w.user_id = u.user_id JOIN trading_platform.utxos ut ON w.address = ut.address WHERE ut.spent = false AND ut.amount > 100 AND w.created_at >= NOW() - INTERVAL '1 year' GROUP BY w.address, u.email;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.users ( user_id text PRIMARY KEY, username text, email text, password_hash text, created_at timestamp )
CREATE TABLE trading_platform.wallets ( wallet_id text PRIMARY KEY, user_id text, address text, private_key text, created_at timestamp )
CREATE TABLE trading_platform.orders ( order_id text PRIMARY KEY, user_id text, wallet_id text, asset_id text, order_type text, quantity numeric, price numeric, status text, created_at timestamp )
CREATE TABLE trading_platform.trades ( trade_id text PRIMARY KEY, order_id text, buyer_id text, seller_id text, asset_id text, quantity numeric, price numeric, traded_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.dapps ( dapp_id text PRIMARY KEY, name text, description text, url text )
CREATE TABLE trading_platform.metadata ( metadata_id text PRIMARY KEY, asset_id text, key text, value text )
CREATE TABLE trading_platform.notifications ( notification_id text PRIMARY KEY, user_id text, message text, sent_at timestamp, read_at timestamp )


[User] Show me all terminated drivers who had worked for the company for more than 5 years before termination.

[Assistant] SELECT driver_id, first_name, last_name, hire_date FROM transportation.drivers WHERE status = 'Terminated' AND (hire_date < (CURRENT_DATE - INTERVAL '5 years'));

[User] Can you include their license numbers and calculate how many years they worked before termination?

[Assistant] SELECT driver_id, first_name, last_name, license_number, hire_date, EXTRACT(YEAR FROM AGE(CURRENT_DATE, hire_date)) AS years_worked FROM transportation.drivers WHERE status = 'Terminated' AND (hire_date < (CURRENT_DATE - INTERVAL '5 years'));

[User] Now order the results by years worked in descending order, showing those who worked the longest first.

[Assistant] SELECT driver_id, first_name, last_name, license_number, hire_date, EXTRACT(YEAR FROM AGE(CURRENT_DATE, hire_date)) AS years_worked FROM transportation.drivers WHERE status = 'Terminated' AND (hire_date < (CURRENT_DATE - INTERVAL '5 years')) ORDER BY years_worked DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.drivers (
    driver_id character varying(64) NOT NULL,  -- unique identifier for the driver
    employee_id character varying(64) NOT NULL UNIQUE, -- employee reference number
    first_name character varying(128) NOT NULL, -- driver's first name
    last_name character varying(128) NOT NULL, -- driver's last name
    license_number character varying(64) NOT NULL UNIQUE, -- driving license number
    license_expiry_date date NOT NULL, -- expiry date of the license
    contact_number character varying(32), -- phone number
    email character varying(128) UNIQUE, -- email address
    hire_date date NOT NULL, -- date the driver was hired
    status character varying(32) NOT NULL, -- e.g., Active, On Leave, Terminated
    PRIMARY KEY (driver_id)
)


[User] List all applications including the application reference number, the first and last name of the citizen who submitted it, and the name of the service the application is for.

[Assistant] SELECT T1.reference_number, T2.first_name, T2.last_name, T3.service_name FROM applications AS T1 JOIN citizens AS T2 ON T1.citizen_id = T2.citizen_id JOIN services AS T3 ON T1.service_id = T3.service_id

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.citizens (
    citizen_id character varying(64) NOT NULL,  -- 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.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.services (
    service_id character varying(64) NOT NULL, -- unique identifier for the service
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    service_name character varying(255) NOT NULL, -- name of the service (e.g., Driver's License Renewal)
    description text,
    category character varying(100), -- e.g., Licensing, Benefits, Taxation, Permits
    eligibility_criteria text, -- description of who is eligible
    standard_fee numeric(10, 2) DEFAULT 0.00, -- typical fee for the service
    average_processing_time_days integer, -- estimated processing time
    is_active boolean DEFAULT true, -- whether the service is currently offered
    online_application_url character varying(255),
    PRIMARY KEY (service_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.employees (
    employee_id character varying(64) NOT NULL, -- unique identifier for the government employee
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    job_title character varying(150) NOT NULL,
    department character varying(100),
    work_email character varying(128) NOT NULL UNIQUE,
    work_phone character varying(32),
    hire_date date NOT NULL,
    termination_date date, -- null if currently employed
    access_level character varying(50), -- Role or permission level
    manager_employee_id character varying(64), -- FK to self for reporting structure
    PRIMARY KEY (employee_id)
)
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.notifications (
    notification_id character varying(64) NOT NULL, -- unique identifier for the notification
    citizen_id character varying(64) NOT NULL, -- FK to citizens table
    application_id character varying(64), -- FK to applications table (optional)
    message_subject character varying(255),
    message_body text NOT NULL,
    channel character varying(30) NOT NULL, -- e.g., Email, SMS, Portal Message, Mail
    sent_at timestamp NOT NULL,
    status character varying(30) NOT NULL, -- e.g., Queued, Sent, Delivered, Failed, Read
    related_entity_type character varying(50), -- e.g., Application, Appointment, Document Request
    related_entity_id character varying(64), -- ID of the related entity
    PRIMARY KEY (notification_id)
)


[User] Show each contract's address along with the total number of events it has emitted and the total number of transactions sent to it.

[Assistant]
SELECT
  c.address,
  COUNT(e.event_id) AS event_count,
  COUNT(t.transaction_id) AS tx_count
FROM web3.contracts c
LEFT JOIN web3.events e
  ON c.contract_id = e.contract_id
LEFT JOIN web3.transactions t
  ON c.address = t.to_address
GROUP BY c.address;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.contracts (
    contract_id character varying(64) NOT NULL,  -- 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)
)
CREATE TABLE web3.events (
    event_id character varying(64) NOT NULL,  -- unique identifier for the event
    contract_id character varying(64) NOT NULL, -- identifier of the contract emitting the event
    event_name character varying(128) NOT NULL, -- name of the event
    data text NOT NULL, -- data payload of the event
    emitted_at timestamp NOT NULL, -- time when the event was emitted
    transaction_id character varying(64) NOT NULL, -- identifier of the transaction that triggered the event
    log_index integer NOT NULL, -- index of the event log in the transaction
    PRIMARY KEY (event_id)
)
CREATE TABLE web3.transactions (
    transaction_id character varying(64) NOT NULL,  -- unique identifier for the transaction
    from_address character varying(128) NOT NULL, -- address of the sender
    to_address character varying(128), -- address of the receiver (can be null for contract deployment)
    value numeric(38,14) NOT NULL, -- value transferred
    gas_used integer NOT NULL, -- amount of gas used by the transaction
    gas_price numeric(38,14) NOT NULL, -- price of gas at the time of the transaction
    block_number integer NOT NULL, -- block number containing the transaction
    timestamp timestamp NOT NULL, -- time when the transaction was mined
    input_data text, -- input data of the transaction (can be null)
    status character varying(32) NOT NULL, -- status of the transaction (e.g., success, failed)
    nonce integer NOT NULL, -- nonce of the sender at the time of the transaction
    PRIMARY KEY (transaction_id)
)
CREATE TABLE web3.tokens (
    token_id character varying(64) NOT NULL,  -- unique identifier for the token
    contract_address character varying(128) NOT NULL, -- address of the token contract
    token_name character varying(128) NOT NULL, -- name of the token
    token_symbol character varying(32) NOT NULL, -- symbol of the token
    decimals integer NOT NULL, -- number of decimals for the token
    total_supply numeric(38,14) NOT NULL, -- total supply of the token
    PRIMARY KEY (token_id)
)
CREATE TABLE web3.token_transfers (
    transfer_id character varying(64) NOT NULL,  -- unique identifier for the transfer
    token_id character varying(64) NOT NULL, -- identifier of the token being transferred
    from_address character varying(128) NOT NULL, -- address of the sender
    to_address character varying(128) NOT NULL, -- address of the receiver
    value numeric(38,14) NOT NULL, -- amount of tokens transferred
    transaction_id character varying(64) NOT NULL, -- identifier of the transaction containing the transfer
    log_index integer NOT NULL, -- index of the transfer log in the transaction
    PRIMARY KEY (transfer_id)
)
CREATE TABLE web3.users (
    user_id character varying(64) NOT NULL,  -- unique identifier for the user
    username character varying(128) NOT NULL, -- username of the user
    email character varying(128) NOT NULL, -- email address of the user
    password_hash text NOT NULL, -- hashed password of the user
    created_at timestamp NOT NULL, -- time when the user account was created
    PRIMARY KEY (user_id)
)


[User] Show me all wallet addresses that belong to user_id 'U1001', along with their private keys.

[Assistant] SELECT address_id, private_key FROM blockchain.wallets WHERE user_id = 'U1001';

[User] Now join this with another table to show the count of transactions for each of these wallet addresses.

[Assistant] Note: The schema only includes the wallets table. Without a transactions table in the schema, this query cannot be executed. Please provide the transactions table structure if you need this analysis.

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE blockchain.wallets ( wallet_id text, user_id text, address_id text, private_key text )


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

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

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

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

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

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

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


[User] For projects that have completed more than one fundraising round, calculate the average investment value across all their recorded rounds. Display the project name and this average value.

[Assistant] SELECT project_name, AVG(investment_value) AS average_investment FROM project_fundraising_record GROUP BY project_name HAVING COUNT(*) > 1;

[User] Can you modify this to only show projects where the average investment value is greater than 10 million USD and order the results by average investment value descending?

[Assistant] SELECT project_name, AVG(investment_value) AS average_investment FROM project_fundraising_record GROUP BY project_name HAVING COUNT(*) > 1 AND AVG(investment_value) > 10000000 ORDER BY average_investment DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE project_fundraising_record ( id character varying(32) NOT NULL,  -- fundraising record id project_id character varying(32) NOT NULL, -- the invested project's id project_name character varying(128) NOT NULL, -- name of the invested project rounds_name character varying(32), -- name of the fundraising round investment_value numeric(38,14), -- amount of the fundraising in USD investment_date character varying(128), -- the date of the investment happened introduction character varying(128), -- the introduction of the invested project valuation numeric(38,14), -- the valuation of the project in USD when invested )


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

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

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

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

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


[User] How many rooms are there on each floor?

[Assistant] SELECT floor, COUNT(*) FROM hospitality_technology.rooms GROUP BY floor

[User] Only show floors with more than 10 rooms.

[Assistant] SELECT floor, COUNT(*) FROM hospitality_technology.rooms GROUP BY floor HAVING COUNT(*) > 10

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE 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)
)


[User] Show all token transfers including the token symbol and the address of the contract that created each token. List the transfer id, token id, value, transaction id, the contract address, and the token symbol.

[Assistant]
SELECT tt.transfer_id, tt.token_id, tt.value, tt.transaction_id, t.contract_id AS contract_address, t.token_symbol
FROM web3.token_transfers tt
JOIN web3.tokens t ON tt.token_id = t.token_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.events ( event_id character varying(64) NOT NULL, contract_id character varying(64) NOT NULL, event_name character varying(128) NOT NULL, data text NOT NULL, emitted_at timestamp NOT NULL, transaction_id character varying(64) NOT NULL, log_index integer NOT NULL, PRIMARY KEY (event_id) )
CREATE TABLE web3.transactions ( transaction_id text, from_address text, to_address text, value numeric, gas_used integer, gas_price numeric, block_number integer, timestamp timestamp, input_data text, status text, nonce integer )
CREATE TABLE web3.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.wallets (
    wallet_id character varying(64) NOT NULL,  -- unique identifier for the wallet
    user_id character varying(64) NOT NULL, -- identifier of the user owning the wallet
    address character varying(128) NOT NULL, -- address of the wallet
    private_key text NOT NULL, -- private key of the wallet
    created_at timestamp NOT NULL, -- time when the wallet was created
    PRIMARY KEY (wallet_id)
)
CREATE TABLE web3.users (
    user_id character varying(64) NOT NULL,  -- unique identifier for the user
    username character varying(128) NOT NULL, -- username of the user
    email character varying(128) NOT NULL, -- email address of the user
    password_hash text NOT NULL, -- hashed password of the user
    created_at timestamp NOT NULL, -- time when the user account was created
    PRIMARY KEY (user_id)
)


[User] Show me a list of all doctors who have made at least one diagnosis along with the total number of diagnoses they have made.

[Assistant]
SELECT d.doctor_id, d.first_name, d.last_name, COUNT(di.diagnosis_id) AS diagnosis_count
FROM healthcare.doctors d
JOIN healthcare.diagnoses di ON d.doctor_id = di.doctor_id
GROUP BY d.doctor_id, d.first_name, d.last_name
HAVING COUNT(di.diagnosis_id) > 0;

[User] Now, limit the list to doctors with fewer than 10 diagnoses and order them by diagnosis_count ascending.

[Assistant]
SELECT d.doctor_id, d.first_name, d.last_name, COUNT(di.diagnosis_id) AS diagnosis_count
FROM healthcare.doctors d
JOIN healthcare.diagnoses di ON d.doctor_id = di.doctor_id
GROUP BY d.doctor_id, d.first_name, d.last_name
HAVING COUNT(di.diagnosis_id) > 0 AND COUNT(di.diagnosis_id) < 10
ORDER BY diagnosis_count ASC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE 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.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.diagnoses (
    diagnosis_id character varying(64) NOT NULL, -- unique identifier for the diagnosis entry
    record_id character varying(64) NOT NULL, -- FK linking to the specific medical record entry
    patient_id character varying(64) NOT NULL, -- FK to patients table
    doctor_id character varying(64) NOT NULL, -- FK to doctors table (diagnosing doctor)
    diagnosis_code character varying(20) NOT NULL, -- standard code (e.g., ICD-10)
    code_type character varying(10) NOT NULL DEFAULT 'ICD-10', -- type of code used
    description text, -- textual description of the diagnosis
    diagnosis_date date NOT NULL, -- date the diagnosis was made
    status character varying(32) NOT NULL, -- e.g., Active, Resolved, Ruled Out
    is_chronic boolean DEFAULT false, -- flag for chronic conditions
    PRIMARY KEY (diagnosis_id)
)
CREATE TABLE healthcare.medications ( medication_id 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 character varying(64) NOT NULL, -- unique identifier for this patient-plan link
    patient_id character varying(64) NOT NULL, -- FK to patients table
    plan_id character varying(64) NOT NULL, -- FK to insurance_plans table
    policy_number character varying(100) NOT NULL, -- patient's policy number
    group_number character varying(100), -- group number, if applicable
    subscriber_name character varying(200), -- name of the primary policy holder
    effective_date date NOT NULL, -- date the coverage begins
    expiration_date date, -- date the coverage ends (if known)
    is_primary boolean NOT NULL DEFAULT true, -- indicates if this is the primary insurance
    PRIMARY KEY (patient_insurance_id),
    UNIQUE (patient_id, plan_id, policy_number) -- ensure a patient doesn't have the same policy twice
)


[User] Provide a report of each user with their username and the count of all log entries from the last 30 days.

[Assistant]
SELECT u.user_id, u.username, COUNT(l.log_id) AS log_count
FROM trading_platform.users u
LEFT JOIN trading_platform.logs l
  ON u.user_id = l.user_id
  AND l.logged_at >= CURRENT_DATE - INTERVAL '30 days'
GROUP BY u.user_id, u.username;

[User] Actually, show only logs where the action includes the word 'trade'.

[Assistant]
SELECT u.user_id, u.username, COUNT(l.log_id) AS log_count
FROM trading_platform.users u
JOIN trading_platform.logs l
  ON u.user_id = l.user_id
WHERE l.logged_at >= CURRENT_DATE - INTERVAL '30 days'
  AND l.action ILIKE '%trade%'
GROUP BY u.user_id, u.username;

[User] Also include the earliest log date for each user in that period.

[Assistant]
SELECT u.user_id,
       u.username,
       COUNT(l.log_id) AS log_count,
       MIN(l.logged_at) AS first_log_date
FROM trading_platform.users u
JOIN trading_platform.logs l
  ON u.user_id = l.user_id
WHERE l.logged_at >= CURRENT_DATE - INTERVAL '30 days'
  AND l.action ILIKE '%trade%'
GROUP BY u.user_id, u.username;

[User] Finally, sort the results by log_count descending and limit to the top 5 users.

[Assistant]
SELECT u.user_id,
       u.username,
       COUNT(l.log_id) AS log_count,
       MIN(l.logged_at) AS first_log_date
FROM trading_platform.users u
JOIN trading_platform.logs l
  ON u.user_id = l.user_id
WHERE l.logged_at >= CURRENT_DATE - INTERVAL '30 days'
  AND l.action ILIKE '%trade%'
GROUP BY u.user_id, u.username
ORDER BY log_count DESC
LIMIT 5;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE trading_platform.users (
    user_id character varying(64) NOT NULL,  -- unique identifier for the user
    username character varying(128) NOT NULL, -- username of the user
    email character varying(128) NOT NULL, -- email address of the user
    password_hash text NOT NULL, -- hashed password of the user
    created_at timestamp NOT NULL, -- time when the user account was created
    PRIMARY KEY (user_id)
)
CREATE TABLE trading_platform.orders (
    order_id character varying(64) NOT NULL,  -- unique identifier for the order
    user_id character varying(64) NOT NULL, -- identifier of the user placing the order
    wallet_id character varying(64) NOT NULL, -- identifier of the wallet used for the order
    asset_id character varying(64) NOT NULL, -- identifier of the asset being traded
    order_type character varying(32) NOT NULL, -- type of the order (e.g., buy, sell)
    quantity numeric(38,14) NOT NULL, -- quantity of the asset in the order
    price numeric(38,14) NOT NULL, -- price per unit of the asset
    status character varying(32) NOT NULL, -- status of the order (e.g., open, filled, canceled)
    created_at timestamp NOT NULL, -- time when the order was created
    PRIMARY KEY (order_id)
)
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.peers (
    peer_id character varying(64) NOT NULL,  -- unique identifier for the peer
    ip_address character varying(15) NOT NULL, -- IP address of the peer
    port integer NOT NULL, -- port number of the peer
    last_seen timestamp NOT NULL, -- last time the peer was active
    PRIMARY KEY (peer_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] List usernames and the length of their 'bio' field for users whose 'is_verified' status is true.

[Assistant] SELECT username, LENGTH(bio) AS bio_length FROM social_media.users WHERE is_verified IS TRUE;

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


[User] List all tokens along with the contract addresses for symbols that appear more than once.

[Assistant]
SELECT t.token_id, t.token_symbol, t.contract_address
FROM web3.tokens t
JOIN (
  SELECT token_symbol
  FROM web3.tokens
  GROUP BY token_symbol
  HAVING COUNT(*) > 1
) dup ON t.token_symbol = dup.token_symbol;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.tokens ( token_id text PRIMARY KEY, contract_address text, token_name text, token_symbol text, decimals int, total_supply numeric )


[User] Can you show me the user IDs and their theme settings for all users who have enabled email notifications and have updated their settings in 2024?

[Assistant] SELECT user_id, theme FROM social_media.user_settings WHERE email_notifications_enabled = TRUE AND updated_at >= '2024-01-01';

[User] What if I also want to see if their profile is private or not?

[Assistant] SELECT user_id, theme, private_profile FROM social_media.user_settings WHERE email_notifications_enabled = TRUE AND updated_at >= '2024-01-01';

[User] Actually, I want to see users who have both email AND push notifications enabled.

[Assistant] SELECT user_id, theme, private_profile FROM social_media.user_settings WHERE email_notifications_enabled = TRUE AND push_notifications_enabled = TRUE AND updated_at >= '2024-01-01';

[User] Now, limit the results to users whose theme is 'light' only.

[Assistant] SELECT user_id, theme, private_profile FROM social_media.user_settings WHERE email_notifications_enabled = TRUE AND push_notifications_enabled = TRUE AND theme = 'light' AND updated_at >= '2024-01-01';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE social_media.user_settings ( setting_id text PRIMARY KEY, user_id text, theme text, email_notifications_enabled bool, push_notifications_enabled bool, private_profile bool, updated_at timestamp )


[User] How many documents are there for each document_type? Show document_type and count ordered by the count in descending order.

[Assistant]
SELECT document_type,
       COUNT(*) AS count
FROM legal_services.documents
GROUP BY document_type
ORDER BY count DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.documents ( document_id.text, case_id.text, document_name.text, document_type.text, storage_path.text, uploaded_by_lawyer_id.text, upload_timestamp.timestamp, version.integer, description.text )


[User] List all pairs of tokens (show token_id for both) that share the same contract address, excluding pairs where the token_id is the same.

[Assistant] SELECT t1.token_id AS token_id1, t2.token_id AS token_id2, t1.contract_address FROM web3.tokens AS t1 JOIN web3.tokens AS t2 ON t1.contract_address = t2.contract_address WHERE t1.token_id < t2.token_id;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE web3.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) )


[User] For each vehicle, find pairs of maintenance logs where one log is immediately followed by another by service_date. List vehicle_id, previous log_id, next log_id, and the odometer increase.

[Assistant]
SELECT
  vehicle_id,
  log_id AS prev_log_id,
  next_log_id AS next_log_id,
  next_odometer - odometer_reading AS odometer_increase
FROM (
  SELECT
    log_id,
    vehicle_id,
    odometer_reading,
    LEAD(log_id) OVER (PARTITION BY vehicle_id ORDER BY service_date) AS next_log_id,
    LEAD(odometer_reading) OVER (PARTITION BY vehicle_id ORDER BY service_date) AS next_odometer
  FROM transportation.maintenance_logs
) t
WHERE next_log_id IS NOT NULL;

[User] Include only pairs where the odometer increase exceeds 10000 miles.

[Assistant]
SELECT
  vehicle_id,
  log_id AS prev_log_id,
  next_log_id AS next_log_id,
  next_odometer - odometer_reading AS odometer_increase
FROM (
  SELECT
    log_id,
    vehicle_id,
    odometer_reading,
    LEAD(log_id) OVER (PARTITION BY vehicle_id ORDER BY service_date) AS next_log_id,
    LEAD(odometer_reading) OVER (PARTITION BY vehicle_id ORDER BY service_date) AS next_odometer
  FROM transportation.maintenance_logs
) t
WHERE next_log_id IS NOT NULL
  AND (next_odometer - odometer_reading) > 10000;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.maintenance_logs ( log_id text, vehicle_id text, service_date date, odometer_reading integer, service_type text, description text, cost numeric, mechanic_name text, next_service_due_date date )


[User] Show the latest version number of each document_name for every case.

[Assistant]
SELECT case_id,
       document_name,
       MAX(version) AS latest_version
FROM legal_services.documents
GROUP BY case_id, document_name;

[User] Actually, I also need the upload_timestamp of that latest version.

[Assistant]
SELECT d.case_id,
       d.document_name,
       d.version AS latest_version,
       d.upload_timestamp
FROM legal_services.documents d
JOIN (
  SELECT case_id,
         document_name,
         MAX(version) AS latest_version
  FROM legal_services.documents
  GROUP BY case_id, document_name
) sub
  ON d.case_id = sub.case_id
 AND d.document_name = sub.document_name
 AND d.version = sub.latest_version;

[User] Also include the uploaded_by_lawyer_id for each latest version.

[Assistant]
SELECT d.case_id,
       d.document_name,
       d.version AS latest_version,
       d.upload_timestamp,
       d.uploaded_by_lawyer_id
FROM legal_services.documents d
JOIN (
  SELECT case_id,
         document_name,
         MAX(version) AS latest_version
  FROM legal_services.documents
  GROUP BY case_id, document_name
) sub
  ON d.case_id = sub.case_id
 AND d.document_name = sub.document_name
 AND d.version = sub.latest_version;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.documents ( document_id text, case_id text, document_name text, document_type text, storage_path text, uploaded_by_lawyer_id text, upload_timestamp timestamp, version integer, description text )


[User] Can you narrow this down to only show cases where the case type is 'Criminal'?

[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';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.cases ( case_id.text, case_number.text, case_name.text, client_id.text, lead_lawyer_id.text, case_type.text, status.text, date_opened.timestamp, date_closed.timestamp, description.text, court_jurisdiction.text )


[User] List the email addresses and phone numbers of all active customers.

[Assistant]
SELECT email, phone_number
FROM insurance.customers
WHERE status = 'Active';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE insurance.customers ( customer_id.text, first_name.text, last_name.text, date_of_birth.date, ssn_hash.text, address_line1.text, address_line2.text, city.text, state.text, zip_code.text, country.text, phone_number.text, email.text, created_at.timestamp, updated_at.timestamp, status.text )
CREATE TABLE insurance.agents ( agent_id character varying(64) NOT NULL, first_name character varying(100) NOT NULL, last_name character varying(100) NOT NULL, agency_name character varying(150), license_number character varying(100) NOT NULL UNIQUE, license_state character varying(50) NOT NULL, contact_email character varying(128) UNIQUE, contact_phone character varying(30), hire_date date, termination_date date, status character varying(20) NOT NULL DEFAULT 'Active', commission_rate numeric(5, 4) NOT NULL DEFAULT 0.05, manager_id character varying(64), PRIMARY KEY (agent_id) )
CREATE TABLE insurance.claim_documents ( document_id text PRIMARY KEY, claim_id text, document_type text, file_name text, file_path text, file_size_bytes int, mime_type text, uploaded_by text, uploaded_at timestamp, description text )


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

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

[User] Now, filter these results to only include room types with 'King' in the bed_type field.

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

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.room_types ( room_type_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, type_name character varying(100) NOT NULL, description text, base_rate numeric(10, 2) NOT NULL, max_occupancy integer NOT NULL, bed_type character varying(50), area_sqft numeric(8,2), amenities text, PRIMARY KEY (room_type_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id) )


[User] Find employees who are managers and list the number of employees they directly manage. Show the manager's full name and the count of their direct reports.

[Assistant] SELECT m.first_name || ' ' || m.last_name AS manager_full_name, COUNT(e.employee_id) AS number_of_direct_reports FROM government_services.employees AS e JOIN government_services.employees AS m ON e.manager_employee_id = m.employee_id GROUP BY m.employee_id, manager_full_name;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.employees (
    employee_id character varying(64) NOT NULL, -- unique identifier for the government employee
    agency_id character varying(64) NOT NULL, -- FK to agencies table
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    job_title character varying(150) NOT NULL,
    department character varying(100),
    work_email character varying(128) NOT NULL UNIQUE,
    work_phone character varying(32),
    hire_date date NOT NULL,
    termination_date date, -- null if currently employed
    access_level character varying(50), -- Role or permission level
    manager_employee_id character varying(64), -- FK to self for reporting structure
    PRIMARY KEY (employee_id)
)