[User] List all medical record entries where the treatment_plan mentions a medication name. Return patient_id, record_id, and the matching medication_name.

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

[User] Actually, only include medications manufactured by 'Pfizer'.

[Assistant]
SELECT mr.patient_id,
       mr.record_id,
       m.medication_name
FROM healthcare.medical_records AS mr
JOIN healthcare.medications AS m
  ON mr.treatment_plan ILIKE '%' || m.medication_name || '%'
WHERE m.manufacturer = 'Pfizer';

[User] Also sort the results by record_date descending.

[Assistant]
SELECT mr.patient_id,
       mr.record_id,
       m.medication_name
FROM healthcare.medical_records AS mr
JOIN healthcare.medications AS m
  ON mr.treatment_plan ILIKE '%' || m.medication_name || '%'
WHERE m.manufacturer = 'Pfizer'
ORDER BY mr.record_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 healthcare.patients (
    patient_id character varying(64) NOT NULL,  -- unique identifier for the patient
    first_name character varying(100) NOT NULL, -- patient's first name
    last_name character varying(100) NOT NULL, -- patient's last name
    date_of_birth date NOT NULL, -- patient's date of birth
    gender character varying(10), -- patient's gender (e.g., Male, Female, Other)
    address text, -- patient's home address
    phone_number character varying(20), -- patient's phone number
    email character varying(128) UNIQUE, -- patient's email address
    emergency_contact_name character varying(200), -- name of emergency contact
    emergency_contact_phone character varying(20), -- phone number of emergency contact
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp, -- record creation time
    updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp, -- record last update time
    PRIMARY KEY (patient_id)
)
CREATE TABLE healthcare.doctors (
    doctor_id character varying(64) NOT NULL,  -- unique identifier for the doctor
    first_name character varying(100) NOT NULL, -- doctor's first name
    last_name character varying(100) NOT NULL, -- doctor's last name
    specialty character varying(100) NOT NULL, -- doctor's medical specialty
    license_number character varying(50) UNIQUE NOT NULL, -- doctor's medical license number
    phone_number character varying(20), -- doctor's contact phone
    email character varying(128) UNIQUE, -- doctor's contact email
    hospital_affiliation_id character varying(64), -- FK to hospitals table (optional)
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    updated_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (doctor_id)
)
CREATE TABLE healthcare.appointments (
    appointment_id character varying(64) NOT NULL, -- unique identifier for the appointment
    patient_id character varying(64) NOT NULL, -- FK to patients table
    doctor_id character varying(64) NOT NULL, -- FK to doctors table
    appointment_time timestamp with time zone NOT NULL, -- date and time of the appointment
    duration_minutes integer NOT NULL, -- expected duration in minutes
    reason text, -- reason for the visit
    status character varying(32) NOT NULL, -- e.g., Scheduled, Completed, Cancelled, No-show
    location_id character varying(64), -- FK to a potential locations/clinics table
    notes text, -- notes related to scheduling
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (appointment_id)
)
CREATE TABLE healthcare.medical_records (
    record_id character varying(64) NOT NULL,  -- unique identifier for the medical record entry
    patient_id character varying(64) NOT NULL, -- FK to patients table
    appointment_id character varying(64) UNIQUE, -- FK to appointments table (can be null if record not tied to specific appt)
    doctor_id character varying(64) NOT NULL, -- FK to doctors table (doctor creating the record)
    record_date timestamp with time zone NOT NULL, -- date the record/observation was made
    chief_complaint text, -- patient's primary reason for visit
    present_illness_history text, -- detailed history of the current issue
    past_medical_history text, -- relevant past conditions/surgeries
    physical_examination_notes text, -- findings from the physical exam
    assessment text, -- doctor's assessment/diagnosis summary
    treatment_plan text, -- planned course of action
    vitals jsonb, -- store vitals like BP, HR, Temp as structured JSON
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (record_id)
)
CREATE TABLE healthcare.medications (
    medication_id character varying(64) NOT NULL, -- unique identifier for the medication type
    medication_name character varying(255) NOT NULL, -- common or brand name
    generic_name character varying(255), -- generic chemical name
    manufacturer character varying(100), -- drug manufacturer
    ndc_code character varying(20) UNIQUE, -- National Drug Code (optional but useful)
    description text, -- description of the medication
    PRIMARY KEY (medication_id)
)
CREATE TABLE healthcare.insurance_plans (
    plan_id character varying(64) NOT NULL, -- unique identifier for the insurance plan
    plan_name character varying(200) NOT NULL, -- name of the insurance plan
    insurance_provider character varying(100) NOT NULL, -- name of the insurance company
    plan_type character varying(50), -- e.g., PPO, HMO, EPO
    contact_phone character varying(20), -- provider contact number
    website character varying(255), -- provider website
    PRIMARY KEY (plan_id)
)
CREATE TABLE healthcare.patient_insurance (
    patient_insurance_id character varying(64) NOT NULL, -- unique identifier for this patient-plan link
    patient_id character varying(64) NOT NULL, -- FK to patients table
    plan_id character varying(64) NOT NULL, -- FK to insurance_plans table
    policy_number character varying(100) NOT NULL, -- patient's policy number
    group_number character varying(100), -- group number, if applicable
    subscriber_name character varying(200), -- name of the primary policy holder
    effective_date date NOT NULL, -- date the coverage begins
    expiration_date date, -- date the coverage ends (if known)
    is_primary boolean NOT NULL DEFAULT true, -- indicates if this is the primary insurance
    PRIMARY KEY (patient_insurance_id),
    UNIQUE (patient_id, plan_id, policy_number) -- ensure a patient doesn't have the same policy twice
)


[User] Find all wallet addresses that don't have an associated user_id.

[Assistant] SELECT address_id, private_key FROM blockchain.wallets WHERE user_id IS NULL;

[User] Now show me these addresses along with their private_key, and join with another table to see if they have any transactions.

[Assistant] SELECT w.address_id, w.private_key FROM blockchain.wallets w LEFT JOIN blockchain.transactions t ON w.address_id = t.sender_address WHERE w.user_id IS NULL;

[User] This query seems incorrect because the transactions table isn't in the schema. Can you modify it to just show the wallet information?

[Assistant] SELECT address_id, private_key FROM blockchain.wallets WHERE user_id IS NULL;

[User] Actually, I want to see the count of such wallet addresses grouped by the first 3 characters of their address_id.

[Assistant] SELECT SUBSTRING(address_id, 1, 3) AS address_prefix, COUNT(*) AS wallet_count FROM blockchain.wallets WHERE user_id IS NULL GROUP BY SUBSTRING(address_id, 1, 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 blockchain.wallets ( wallet_id text, user_id text, address_id text, private_key text )


[User] Show the number of reservations and the sum total_amount for each property.

[Assistant]
SELECT p.property_id, p.property_name, COUNT(r.reservation_id) AS reservation_count, SUM(r.total_amount) AS total_revenue
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.reservations r ON p.property_id = r.property_id
GROUP BY p.property_id, p.property_name;

[User] Return only those properties with at least 50 reservations.

[Assistant]
SELECT p.property_id, p.property_name, COUNT(r.reservation_id) AS reservation_count, SUM(r.total_amount) AS total_revenue
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.reservations r ON p.property_id = r.property_id
GROUP BY p.property_id, p.property_name
HAVING COUNT(r.reservation_id) >= 50;

[User] Additionally, only include properties in cities that start with the letter 'S' and order by total revenue descending.

[Assistant]
SELECT p.property_id, p.property_name, COUNT(r.reservation_id) AS reservation_count, SUM(r.total_amount) AS total_revenue
FROM hospitality_technology.properties p
LEFT JOIN hospitality_technology.reservations r ON p.property_id = r.property_id
WHERE p.city LIKE 'S%'
GROUP BY p.property_id, p.property_name
HAVING COUNT(r.reservation_id) >= 50
ORDER BY total_revenue DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.properties ( property_id 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.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 )
CREATE TABLE hospitality_technology.guests ( guest_id text, first_name text, last_name text, email text, phone_number text, date_of_birth date, address_line1 text, city text, state_province text, postal_code text, country_code text, preferences text, loyalty_member_id text, communication_consent boolean, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.reservations ( reservation_id text, property_id text, guest_id text, room_id text, room_type_id text, check_in_date date, check_out_date date, actual_check_in_ts timestamp, actual_check_out_ts timestamp, num_adults integer, num_children integer, status text, booking_source text, rate_plan_id text, total_amount numeric, amount_paid numeric, special_requests text, created_at timestamp, updated_at timestamp )


[User] List the usernames and user IDs of all users whose bio contains the word 'developer'.

[Assistant]
SELECT user_id, username
FROM social_media.users
WHERE bio ILIKE '%developer%';

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 character varying(64) NOT NULL,  -- unique identifier for the user
    username character varying(50) NOT NULL UNIQUE, -- user's unique handle
    email character varying(128) NOT NULL UNIQUE, -- user's email address
    password_hash text NOT NULL, -- hashed password
    full_name character varying(100), -- user's full name
    profile_picture_url text, -- URL to the profile picture
    bio text, -- short user biography
    location character varying(100), -- user's location
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of account creation
    updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last profile update
    is_verified boolean NOT NULL DEFAULT false, -- verification status
    PRIMARY KEY (user_id)
)
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.likes (
    like_id character varying(64) NOT NULL, -- unique identifier for the like
    user_id character varying(64) NOT NULL, -- identifier of the user who liked (FK to users.user_id)
    post_id character varying(64), -- identifier of the post being liked (FK to posts.post_id, nullable)
    comment_id character varying(64), -- identifier of the comment being liked (FK to comments.comment_id, nullable)
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of when the like occurred
    PRIMARY KEY (like_id),
    CONSTRAINT unique_user_like UNIQUE (user_id, post_id, comment_id), -- prevent duplicate likes
    CONSTRAINT check_like_target CHECK (post_id IS NOT NULL OR comment_id IS NOT NULL) -- ensure it likes something
)
CREATE TABLE social_media.follows (
    follow_id character varying(64) NOT NULL, -- unique identifier for the follow relationship
    follower_user_id character varying(64) NOT NULL, -- identifier of the user who is following (FK to users.user_id)
    following_user_id character varying(64) NOT NULL, -- identifier of the user being followed (FK to users.user_id)
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of when the follow started
    PRIMARY KEY (follow_id),
    CONSTRAINT unique_follow UNIQUE (follower_user_id, following_user_id) -- prevent duplicate follows
)
CREATE TABLE social_media.hashtags (
    hashtag_id character varying(64) NOT NULL, -- unique identifier for the hashtag
    tag_name character varying(100) NOT NULL UNIQUE, -- the actual hashtag text (without '#')
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when the hashtag was first used
    PRIMARY KEY (hashtag_id)
)
CREATE TABLE social_media.conversations (
    conversation_id character varying(64) NOT NULL, -- unique identifier for the conversation
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when conversation was initiated
    last_message_at timestamp, -- timestamp of the last message in the conversation
    is_group_chat boolean NOT NULL DEFAULT false, -- indicates if it's a group chat or direct message
    group_name character varying(100), -- name of the group chat (if applicable)
    PRIMARY KEY (conversation_id)
)
CREATE TABLE social_media.conversation_participants (
    participant_id character varying(64) NOT NULL, -- unique identifier for the participant entry
    conversation_id character varying(64) NOT NULL, -- identifier of the conversation (FK to conversations.conversation_id)
    user_id character varying(64) NOT NULL, -- identifier of the user in the conversation (FK to users.user_id)
    joined_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp when user joined the conversation
    last_read_at timestamp, -- timestamp indicating up to when the user has read messages
    PRIMARY KEY (participant_id),
    CONSTRAINT unique_user_conversation UNIQUE (conversation_id, user_id) -- prevent user being added multiple times
)
CREATE TABLE social_media.notifications (
    notification_id character varying(64) NOT NULL, -- unique identifier for the notification
    recipient_user_id character varying(64) NOT NULL, -- user receiving the notification (FK to users.user_id)
    sender_user_id character varying(64), -- user triggering the notification (FK to users.user_id, can be null for system notifications)
    notification_type character varying(30) NOT NULL, -- type of notification ('like', 'comment', 'follow', 'mention', 'message')
    target_entity_id character varying(64), -- ID of the related entity (post_id, comment_id, user_id, conversation_id)
    target_entity_type character varying(20), -- type of the related entity ('post', 'comment', 'user', 'conversation')
    created_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp notification was created
    read_at timestamp, -- timestamp notification was marked as read
    PRIMARY KEY (notification_id)
)
CREATE TABLE social_media.user_settings (
    setting_id character varying(64) NOT NULL, -- unique identifier for the setting entry
    user_id character varying(64) NOT NULL UNIQUE, -- user the settings belong to (FK to users.user_id)
    theme character varying(20) DEFAULT 'light', -- UI theme ('light', 'dark')
    email_notifications_enabled boolean DEFAULT true, -- enable/disable email notifications
    push_notifications_enabled boolean DEFAULT true, -- enable/disable push notifications
    private_profile boolean DEFAULT false, -- is the user profile private
    updated_at timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP, -- timestamp of last setting change
    PRIMARY KEY (setting_id)
)


[User] I need to identify pairs of verified documents submitted by the same citizen. For each pair, display the citizen_id, the earlier document_id with its verification timestamp, and the later document_id with its verification timestamp.

[Assistant]
SELECT
  d1.citizen_id,
  d1.document_id AS earlier_document_id,
  d1.verification_timestamp AS earlier_verification,
  d2.document_id AS later_document_id,
  d2.verification_timestamp AS later_verification
FROM government_services.documents d1
JOIN government_services.documents d2
  ON d1.citizen_id = d2.citizen_id
  AND d1.verification_timestamp < d2.verification_timestamp
WHERE d1.verification_status = 'Verified'
  AND d2.verification_status = 'Verified';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.documents ( document_id character varying(64) NOT NULL, application_id character varying(64), citizen_id character varying(64) NOT NULL, document_type character varying(100) NOT NULL, file_reference text NOT NULL, upload_timestamp timestamp NOT NULL, expiry_date date, verification_status character varying(30) DEFAULT 'Pending', verified_by_employee_id character varying(64), verification_timestamp timestamp, PRIMARY KEY (document_id) )


[User] Show me pairs of a block and its previous block where the previous block's difficulty was greater than 100000. Include details for both blocks.

[Assistant] SELECT t1.block_id AS current_block_id, t2.block_id AS previous_block_id, t1.timestamp AS current_timestamp, t2.timestamp AS previous_timestamp, t1.difficulty AS current_difficulty, t2.difficulty AS previous_difficulty FROM blockchain.blocks AS t1 JOIN blockchain.blocks AS t2 ON t1.previous_block_id = t2.block_id WHERE t2.difficulty > 100000;

[User] Okay, now filter those results to only include pairs where the time difference between the current block and its predecessor is less than 600 seconds.

[Assistant] SELECT t1.block_id AS current_block_id, t2.block_id AS previous_block_id, t1.timestamp AS current_timestamp, t2.timestamp AS previous_timestamp, t1.difficulty AS current_difficulty, t2.difficulty AS previous_difficulty FROM blockchain.blocks AS t1 JOIN blockchain.blocks AS t2 ON t1.previous_block_id = t2.block_id WHERE t2.difficulty > 100000 AND EXTRACT(EPOCH FROM (t1.timestamp - t2.timestamp)) < 600;

[User] Further refine the list to only include blocks mined in October 2023.

[Assistant] SELECT t1.block_id AS current_block_id, t2.block_id AS previous_block_id, t1.timestamp AS current_timestamp, t2.timestamp AS previous_timestamp, t1.difficulty AS current_difficulty, t2.difficulty AS previous_difficulty FROM blockchain.blocks AS t1 JOIN blockchain.blocks AS t2 ON t1.previous_block_id = t2.block_id WHERE t2.difficulty > 100000 AND EXTRACT(EPOCH FROM (t1.timestamp - t2.timestamp)) < 600 AND t1.timestamp >= '2023-10-01' AND t1.timestamp < '2023-11-01';

[User] Finally, from this filtered list, only show pairs where the current block's difficulty is less than the previous block's difficulty.

[Assistant] SELECT t1.block_id AS current_block_id, t2.block_id AS previous_block_id, t1.timestamp AS current_timestamp, t2.timestamp AS previous_timestamp, t1.difficulty AS current_difficulty, t2.difficulty AS previous_difficulty FROM blockchain.blocks AS t1 JOIN blockchain.blocks AS t2 ON t1.previous_block_id = t2.block_id WHERE t2.difficulty > 100000 AND EXTRACT(EPOCH FROM (t1.timestamp - t2.timestamp)) < 600 AND t1.timestamp >= '2023-10-01' AND t1.timestamp < '2023-11-01' AND t1.difficulty < t2.difficulty;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE blockchain.blocks ( block_id character varying(64) NOT NULL, previous_block_id character varying(64), timestamp timestamp NOT NULL, nonce integer NOT NULL, merkle_root character varying(128) NOT NULL, difficulty integer NOT NULL, PRIMARY KEY (block_id) )


[User] List the user ID, theme, and updated_at for users who have updated their settings in the last 90 days and have their theme set to 'dark'.

[Assistant] SELECT user_id, theme, updated_at FROM social_media.user_settings WHERE updated_at >= NOW() - INTERVAL '90 days' AND theme = 'dark';

[User] Refine the list to only show users who have also disabled push notifications.

[Assistant] SELECT user_id, theme, updated_at FROM social_media.user_settings WHERE updated_at >= NOW() - INTERVAL '90 days' AND theme = 'dark' AND push_notifications_enabled = FALSE;

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, user_id.text, theme.text, email_notifications_enabled.boolean, push_notifications_enabled.boolean, private_profile.boolean, updated_at.timestamp )


[User] Show me all vehicles that had maintenance in the past month, including their make, model, maintenance service_date, and depot name.

[Assistant]
SELECT v.vehicle_id,
       v.make,
       v.model,
       m.service_date,
       l.name AS depot_name
FROM transportation.maintenance_logs AS m
JOIN transportation.vehicles AS v
  ON m.vehicle_id = v.vehicle_id
LEFT JOIN transportation.locations AS l
  ON v.depot_id = l.location_id
WHERE m.service_date >= CURRENT_DATE - INTERVAL '1 month';

[User] Now, include only those records where the maintenance cost is greater than 500, and order the results by cost descending.

[Assistant]
SELECT v.vehicle_id,
       v.make,
       v.model,
       m.service_date,
       m.cost,
       l.name AS depot_name
FROM transportation.maintenance_logs AS m
JOIN transportation.vehicles AS v
  ON m.vehicle_id = v.vehicle_id
LEFT JOIN transportation.locations AS l
  ON v.depot_id = l.location_id
WHERE m.service_date >= CURRENT_DATE - INTERVAL '1 month'
  AND m.cost > 500
ORDER BY m.cost DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE transportation.vehicles ( vehicle_id.text, license_plate.text, vin.text, make.text, model.text, year.integer, type.text, capacity.integer, fuel_type.text, status.text, depot_id.text, acquisition_date.date )
CREATE TABLE transportation.drivers ( driver_id.text, employee_id.text, first_name.text, last_name.text, license_number.text, license_expiry_date.date, contact_number.text, email.text, hire_date.date, status.text )
CREATE TABLE transportation.locations ( location_id.text, 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.passengers ( passenger_id.text, first_name.text, last_name.text, email.text, phone_number.text, date_of_birth.date, loyalty_program_id.text, created_at.timestamp )


[User] Show me all properties in California with a star rating above 4.0, along with their room types and base rates.

[Assistant] SELECT p.property_name, p.star_rating, rt.type_name, rt.base_rate FROM hospitality_technology.properties p JOIN hospitality_technology.room_types rt ON p.property_id = rt.property_id WHERE p.state_province = 'California' AND p.star_rating > 4.0;

[User] Now, filter the results to only include room types with a max occupancy of at least 4 people.

[Assistant] SELECT p.property_name, p.star_rating, rt.type_name, rt.base_rate FROM hospitality_technology.properties p JOIN hospitality_technology.room_types rt ON p.property_id = rt.property_id WHERE p.state_province = 'California' AND p.star_rating > 4.0 AND rt.max_occupancy >= 4;

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.room_types ( room_type_id character varying(64) NOT NULL, property_id character varying(64) NOT NULL, type_name character varying(100) NOT NULL, description text, base_rate numeric(10, 2) NOT NULL, max_occupancy integer NOT NULL, bed_type character varying(50), area_sqft numeric(8,2), amenities text, PRIMARY KEY (room_type_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id) )
CREATE TABLE hospitality_technology.staff (
    staff_id character varying(64) NOT NULL,  -- unique identifier for the staff member
    property_id character varying(64) NOT NULL, -- FK to properties table (primary property)
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    position character varying(100) NOT NULL, -- e.g., Front Desk Agent, Housekeeper, Manager, Concierge
    work_email character varying(255) UNIQUE, -- staff member's work email
    work_phone character varying(30),
    hire_date date NOT NULL,
    termination_date date, -- date employment ended (if applicable)
    is_active boolean NOT NULL DEFAULT true, -- currently employed flag
    access_level integer NOT NULL, -- permission level within systems (e.g., 1=basic, 5=admin)
    manager_id character varying(64), -- FK to staff table (self-referencing for supervisor)
    created_at timestamp with time zone NOT NULL DEFAULT current_timestamp,
    PRIMARY KEY (staff_id),
    FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id),
    FOREIGN KEY (manager_id) REFERENCES hospitality_technology.staff(staff_id)
)
CREATE TABLE hospitality_technology.services ( service_id text PRIMARY KEY, property_id text, service_name text, description text, category text, price numeric, unit text, is_available boolean, department text )
CREATE TABLE hospitality_technology.service_orders ( order_id character varying(64) NOT NULL, reservation_id character varying(64), guest_id character varying(64) NOT NULL, service_id character varying(64) NOT NULL, staff_id_ordered character varying(64), staff_id_delivered character varying(64), order_timestamp timestamp with time zone NOT NULL DEFAULT current_timestamp, delivery_timestamp timestamp with time zone, quantity integer NOT NULL DEFAULT 1, unit_price numeric(10, 2) NOT NULL, total_price numeric(12, 2) NOT NULL, status character varying(50) NOT NULL, notes text, bill_id character varying(64), PRIMARY KEY (order_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (service_id) REFERENCES hospitality_technology.services(service_id), FOREIGN KEY (staff_id_ordered) REFERENCES hospitality_technology.staff(staff_id), FOREIGN KEY (staff_id_delivered) REFERENCES hospitality_technology.staff(staff_id) )
CREATE TABLE hospitality_technology.payments ( payment_id text, reservation_id text, guest_id text, bill_id text, amount numeric, currency_code text, payment_method text, card_type text, card_last_four text, transaction_ref text, payment_timestamp timestamp, status text, staff_id_processed text, notes text )


[User] Which narratives have both a positive 1-hour and 24-hour price change percentage? Show the narrative name, the 1h change, and the 24h change.

[Assistant] SELECT narrative, price_change_percentage_1h, price_change_percentage_24h FROM narrative_info WHERE price_change_percentage_1h > 0 AND price_change_percentage_24h > 0;

[User] Can you also include narratives where only the 24-hour price change is positive, regardless of the 1-hour change?

[Assistant] SELECT narrative, price_change_percentage_1h, price_change_percentage_24h FROM narrative_info WHERE price_change_percentage_24h > 0;

[User] Now also provide their 7-day price change as an additional column.

[Assistant] SELECT narrative, price_change_percentage_1h, price_change_percentage_24h, price_change_percentage_7d FROM narrative_info WHERE price_change_percentage_24h > 0;

[User] Filter to only show narratives with a market cap above 200 million.

[Assistant] SELECT narrative, price_change_percentage_1h, price_change_percentage_24h, price_change_percentage_7d, market_cap FROM narrative_info WHERE price_change_percentage_24h > 0 AND market_cap > 200000000;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE narrative_info ( narrative text, top_3_coins text, price_change_percentage_1h numeric, price_change_percentage_24h numeric, price_change_percentage_7d numeric, market_cap numeric, volume_24h numeric, trend_rank numeric, token_num numeric )


[User] Show all transactions over 10,000 USD that are not marked as 'REVERSED'.

[Assistant]
SELECT transaction_id, account_id, amount, currency, status, transaction_date
FROM financial_services.transactions
WHERE amount > 10000 AND currency = 'USD' AND status != 'REVERSED';

[User] Include the related_account_id and the transaction_type in the result, and order by amount descending.

[Assistant]
SELECT transaction_id, account_id, related_account_id, transaction_type, amount, currency, status, transaction_date
FROM financial_services.transactions
WHERE amount > 10000 AND currency = 'USD' AND status != 'REVERSED'
ORDER BY amount DESC;

[User] Add a filter to only include transactions that happened in the last 60 days.

[Assistant]
SELECT transaction_id, account_id, related_account_id, transaction_type, amount, currency, status, transaction_date
FROM financial_services.transactions
WHERE amount > 10000 AND currency = 'USD' AND status != 'REVERSED' AND transaction_date >= NOW() - INTERVAL '60 days'
ORDER BY amount DESC;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE financial_services.customers ( customer_id text, first_name text, last_name text, date_of_birth date, ssn_hash text, address text, city text, state text, zip_code text, country text, email text, phone_number text, created_at timestamp, status text, risk_profile text )
CREATE TABLE financial_services.transactions ( transaction_id text, account_id text, related_account_id text, transaction_type text, amount numeric, currency text, transaction_date timestamp, effective_date date, description text, status text, reference_number text )
CREATE TABLE financial_services.securities ( security_id.text, ticker_symbol.text, isin_code.text, cusip_code.text, security_name.text, security_type.text, exchange.text, currency.text, issuer_name.text, sector.text, last_updated.timestamp )
CREATE TABLE financial_services.market_data ( data_point_id bigserial NOT NULL, security_id character varying(64) NOT NULL, data_timestamp timestamp NOT NULL, open_price numeric(19, 8), high_price numeric(19, 8), low_price numeric(19, 8), close_price numeric(19, 8) NOT NULL, adjusted_close_price numeric(19, 8), volume bigint, source character varying(50), PRIMARY KEY (data_point_id), UNIQUE (security_id, data_timestamp), FOREIGN KEY (security_id) REFERENCES financial_services.securities(security_id) )
CREATE TABLE financial_services.employees (
    employee_id character varying(64) NOT NULL,  -- unique identifier for the employee
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    job_title character varying(100) NOT NULL, -- e.g., Teller, Branch Manager, Financial Advisor, Analyst
    department character varying(100), -- e.g., Retail Banking, Wealth Management, IT
    branch_id character varying(64), -- Identifier for the branch they work at (if applicable)
    email character varying(128) NOT NULL UNIQUE,
    phone_extension character varying(20),
    hire_date date NOT NULL,
    termination_date date, -- Date of termination, null if currently employed
    manager_id character varying(64), -- Self-referencing key for manager relationship
    status character varying(32) NOT NULL, -- e.g., Active, Terminated, On Leave
    PRIMARY KEY (employee_id),
    FOREIGN KEY (branch_id) REFERENCES financial_services.branches(branch_id), -- Assuming a branches table exists
    FOREIGN KEY (manager_id) REFERENCES financial_services.employees(employee_id)
)


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

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

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


[User] Now, sort the results by the date opened, oldest first, and show only the top 10.

[Assistant] SELECT case_name, case_number, date_opened FROM legal_services.cases WHERE lead_lawyer_id = 'lawyer_abc' AND status = 'Open' AND case_type = 'Criminal' ORDER BY date_opened ASC LIMIT 10;

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


[User] For all NFT collections on the Ethereum blockchain, show me the collection name and the current floor price. Sort by floor price descending.

[Assistant] SELECT name, floor_price FROM nft_collections WHERE blockchain = 'Ethereum' ORDER BY CAST(floor_price AS FLOAT) DESC;

[User] Include also the collection symbol and the number of tokens in each collection.

[Assistant] SELECT name, symbol, floor_price, token_count FROM nft_collections WHERE blockchain = 'Ethereum' ORDER BY CAST(floor_price AS FLOAT) DESC;

[User] Can you also show the owner of each collection in the result?

[Assistant] SELECT name, symbol, floor_price, token_count, owner FROM nft_collections WHERE blockchain = 'Ethereum' ORDER BY CAST(floor_price AS FLOAT) DESC;

[User] Now only include collections whose floor price is greater than 1 ETH.

[Assistant] SELECT name, symbol, floor_price, token_count, owner FROM nft_collections WHERE blockchain = 'Ethereum' AND CAST(floor_price AS FLOAT) > 1 AND floor_price_symbol = 'ETH' ORDER BY CAST(floor_price AS FLOAT) 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 token_metas ( block_timestamp timestamp(6) NOT NULL, block_number bigint NOT NULL, transaction_hash varchar NOT NULL, transaction_index bigint NOT NULL, from_address varchar NOT NULL, contract_address varchar NOT NULL, symbol varchar NOT NULL, total_supply varchar NOT NULL, name varchar NOT NULL, decimals bigint NOT NULL, is_erc20 integer NOT NULL, is_erc721 integer NOT NULL, is_erc1155 integer NOT NULL, is_proxy integer NOT NULL, extra_info varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE erc20_balances ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE erc20_balances_historical ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, amount varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE nft_holders ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, token_id varchar NOT NULL, contract_type varchar NOT NULL, amount varchar NOT NULL, pk varchar NOT NULL )
CREATE TABLE nft_holder_historical ( block_number bigint NOT NULL, contract_address varchar NOT NULL, wallet_address varchar NOT NULL, token_id varchar NOT NULL, contract_type varchar NOT NULL, amount varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE nft_metadata ( blockchain varchar NOT NULL, contract_address varchar NOT NULL, token_id varchar NOT NULL, contract_name varchar NOT NULL, erc_type varchar NOT NULL, amount bigint NOT NULL, minter varchar NOT NULL, owner varchar NOT NULL, mint_block_number bigint NOT NULL, mint_time bigint NOT NULL, mint_transaction_hash varchar NOT NULL, mint_price varchar NOT NULL, token_uri varchar NOT NULL, metadata varchar NOT NULL, name varchar NOT NULL, image_uri varchar NOT NULL, traits varchar NOT NULL, updated_at bigint NOT NULL, status varchar NOT NULL, rarity_score real NOT NULL, rarity_rank integer NOT NULL, unique_attribute_count integer NOT NULL, pk integer NOT NULL )
CREATE TABLE nft_collections ( blockchain varchar NOT NULL, contract_address varchar NOT NULL, name varchar NOT NULL, symbol varchar NOT NULL, deploy_block_number bigint NOT NULL, deploy_block_time bigint NOT NULL, erc_type varchar NOT NULL, owner varchar NOT NULL, traits varchar NOT NULL, description varchar NOT NULL, slug varchar NOT NULL, media_info varchar NOT NULL, image_url varchar NOT NULL, banner_image_url varchar NOT NULL, updated_at bigint NOT NULL, banner varchar NOT NULL, token_count bigint NOT NULL, floor_price varchar NOT NULL, floor_price_symbol varchar NOT NULL, floor_price_contract varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE token_prices ( uuid varchar(36) NOT NULL, blockchain varchar(36) NOT NULL, address varchar(42) NOT NULL, decimals bigint NOT NULL, symbol varchar(36) NOT NULL, price real NOT NULL, timestamp timestamp(6) NOT NULL )
CREATE TABLE token_prices_latest ( blockchain varchar(36) NOT NULL, address varchar(42) NOT NULL, decimals bigint NOT NULL, symbol varchar(36) NOT NULL, price real NOT NULL, timestamp timestamp(6) NOT NULL )
CREATE TABLE erc20_approval ( block_number bigint NOT NULL, block_timestamp timestamp(6) NOT NULL, transaction_index integer NOT NULL, transaction_hash varchar NOT NULL, log_index integer NOT NULL, contract_address varchar NOT NULL, pk integer NOT NULL )
CREATE TABLE token_activities ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar NOT NULL, tick varchar NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(42) NOT NULL, to_address varchar(42) NOT NULL )
CREATE TABLE mud_holesky_redstone ( address varchar NOT NULL, table_id varchar NOT NULL, key_bytes varchar NOT NULL, key0 varchar NOT NULL, key1 varchar NOT NULL, static_data varchar NOT NULL, encoded_lengths varchar NOT NULL, dynamic_data varchar NOT NULL, is_deleted boolean NOT NULL, block_number bigint NOT NULL, log_index bigint NOT NULL )
CREATE TABLE token_balances_bitcoin ( block_number bigint NOT NULL, block_timestamp timestamp(3) NOT NULL, tick varchar(255) NOT NULL, wallet_address varchar(42) NOT NULL, total_supply varchar NOT NULL, amount varchar NOT NULL )
CREATE TABLE token_activities_bitcoin ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, log_index integer NOT NULL, type varchar(20) NOT NULL, tick varchar(255) NOT NULL, id varchar(255) NOT NULL, amt decimal(38,0) NOT NULL, from_address varchar(62) NOT NULL, to_address varchar(62) NOT NULL )
CREATE TABLE token_info_avalanche ( block_timestamp timestamp(3) NOT NULL, block_number bigint NOT NULL, tx_index integer NOT NULL, tx_hash varchar(66) NOT NULL, tick varchar(20) NOT NULL, max_supply decimal(38,0) NOT NULL, lim decimal(38,0) NOT NULL, wlim decimal(38,0) NOT NULL, dec integer NOT NULL, creator varchar(42) NOT NULL, minted decimal(38,0) NOT NULL, holders decimal(38,0) NOT NULL, txs decimal(38,0) NOT NULL, updated_timestamp timestamp(3) NOT NULL, completed_timestamp timestamp(3) NOT NULL, id varchar(255) NOT NULL )


[User] 我想了解某个组件的库存情况，包括库存数量、仓库位置和接收日期。

[Assistant]
SELECT ci.quantity, ci.location_warehouse, ci.received_date
FROM manufacturing.component_inventory ci
WHERE ci.component_id = 'specific_component_id';

[User] 如果我想查询特定批次号的库存信息，应该怎么修改？

[Assistant]
SELECT ci.quantity, ci.location_warehouse, ci.received_date
FROM manufacturing.component_inventory ci
WHERE ci.component_id = 'specific_component_id' AND ci.batch_number = 'specific_batch_number';

[User] 如果我想进一步筛选出接收日期在2023年之后的库存记录呢？

[Assistant]
SELECT ci.quantity, ci.location_warehouse, ci.received_date
FROM manufacturing.component_inventory ci
WHERE ci.component_id = 'specific_component_id' AND ci.batch_number = 'specific_batch_number' AND ci.received_date > '2023-01-01';

[User] 请再加上按接收日期从新到旧排序。

[Assistant]
SELECT ci.quantity, ci.location_warehouse, ci.received_date
FROM manufacturing.component_inventory ci
WHERE ci.component_id = 'specific_component_id' AND ci.batch_number = 'specific_batch_number' AND ci.received_date > '2023-01-01'
ORDER BY ci.received_date DESC;

System:
You are an expert in writing database language. You can write a corresponding database language query to answer the user's question based on the table structure described by the table creation statement.
##Table Structure
CREATE TABLE manufacturing.components (
    component_id character varying(64) NOT NULL, -- unique identifier for the component
    part_number character varying(100) NOT NULL UNIQUE, -- manufacturer-specific part number
    component_name character varying(255) NOT NULL, -- descriptive name (e.g., Landing Gear Strut, Wing Spar)
    description text, -- detailed description
    material_id character varying(64), -- FK linking to the material used
    supplier_id character varying(64), -- FK linking to the supplier
    weight_kg numeric(10,3), -- weight of the component in kg
    cost_usd numeric(12,2), -- cost of the component in USD
    criticality_level character varying(20), -- e.g., 'High', 'Medium', 'Low'
    PRIMARY KEY (component_id)
)
CREATE TABLE manufacturing.suppliers (
    supplier_id character varying(64) NOT NULL, -- unique identifier for the supplier
    supplier_name character varying(255) NOT NULL, -- legal name of the supplier company
    address text, -- primary address of the supplier
    country character varying(100), -- country of the supplier
    contact_person character varying(128), -- primary contact person
    contact_email character varying(128), -- contact email
    quality_rating numeric(3,1), -- supplier quality rating (e.g., 1.0 to 5.0)
    certified_date date, -- date when supplier certification was last validated
    PRIMARY KEY (supplier_id)
)
CREATE TABLE manufacturing.materials (
    material_id character varying(64) NOT NULL,  -- unique identifier for the material
    material_name character varying(128) NOT NULL, -- common name (e.g., Titanium Alloy Grade 5, Carbon Fiber Prepreg)
    specification character varying(255), -- specification standard (e.g., AMS 4928)
    description text, -- detailed description of properties
    density_kg_m3 numeric(10, 4), -- density in kg per cubic meter
    tensile_strength_mpa integer, -- tensile strength in Megapascals
    PRIMARY KEY (material_id)
)
CREATE TABLE manufacturing.assembly_steps (
    step_id character varying(64) NOT NULL, -- unique identifier for an assembly step/task
    line_id character varying(64) NOT NULL, -- FK to the assembly line where this step occurs
    step_number integer NOT NULL, -- sequence number of the step on the line
    step_name character varying(255) NOT NULL, -- name of the task (e.g., Install Wing Root Fairing)
    description text, -- detailed instructions or description
    standard_duration_hours numeric(8,2), -- estimated time to complete the step
    required_skill_level character varying(50), -- skill level needed (e.g., 'Mechanic II', 'Electrician I')
    workstation character varying(100), -- specific workstation or area for the step
    PRIMARY KEY (step_id)
)
CREATE TABLE manufacturing.inspections (
    inspection_id character varying(64) NOT NULL, -- unique identifier for the inspection event
    build_id character varying(64) NOT NULL, -- FK to the specific aircraft build being inspected
    component_id character varying(64), -- FK to the specific component inspected (if applicable)
    step_id character varying(64), -- FK to the assembly step after which inspection occurred (if applicable)
    inspection_type character varying(100) NOT NULL, -- e.g., 'Visual', 'NDT', 'Functional Test'
    inspector_employee_id character varying(64) NOT NULL, -- FK to the employee who performed the inspection
    inspection_timestamp timestamp NOT NULL, -- time when the inspection was completed
    result character varying(20) NOT NULL, -- 'Pass', 'Fail', 'Rework Needed'
    remarks text, -- detailed notes or findings
    PRIMARY KEY (inspection_id)
)
CREATE TABLE manufacturing.component_inventory (
    inventory_record_id character varying(64) NOT NULL, -- unique ID for this inventory record/batch
    component_id character varying(64) NOT NULL, -- FK to the component
    quantity integer NOT NULL, -- number of units of this component in stock for this batch
    location_warehouse character varying(100), -- warehouse identifier
    location_bin character varying(100), -- specific bin or shelf location
    received_date timestamp NOT NULL, -- when this batch was received
    expiry_date date, -- expiry date if applicable (e.g., for sealants, adhesives)
    batch_number character varying(100), -- supplier batch number
    last_updated timestamp NOT NULL, -- timestamp of the last update to this record
    PRIMARY KEY (inventory_record_id)
)


[User] List all maintenance services performed on vehicle 'VHCL789', showing the service date and type.

[Assistant] SELECT service_date, service_type FROM transportation.maintenance_logs WHERE vehicle_id = 'VHCL789';

[User] Can you include the odometer reading at the time of service and sort by the most recent services first?

[Assistant] SELECT service_date, service_type, odometer_reading FROM transportation.maintenance_logs WHERE vehicle_id = 'VHCL789' ORDER BY service_date DESC;

[User] Now show me only the oil change services for this vehicle.

[Assistant] SELECT service_date, service_type, odometer_reading FROM transportation.maintenance_logs WHERE vehicle_id = 'VHCL789' AND service_type = 'Oil Change' ORDER BY service_date DESC;

[User] Can you calculate the average mileage between oil changes for this vehicle?

[Assistant] WITH oil_changes AS (SELECT odometer_reading, LAG(odometer_reading) OVER (ORDER BY service_date) AS prev_odometer FROM transportation.maintenance_logs WHERE vehicle_id = 'VHCL789' AND service_type = 'Oil Change') SELECT AVG(odometer_reading - prev_odometer) AS avg_miles_between_changes FROM oil_changes WHERE prev_odometer IS NOT NULL;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE 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] What is the total count of game sessions recorded?

[Assistant] SELECT count(*) FROM gaming_technology.game_sessions;

[User] Now, only count sessions that lasted longer than 1 hour.

[Assistant] SELECT count(*) FROM gaming_technology.game_sessions WHERE duration_seconds > 3600;

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.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, player_id uuid, game_id uuid, server_id uuid, start_time timestamp with time zone, end_time timestamp with time zone, duration_seconds integer, score integer, session_data jsonb )
CREATE TABLE gaming_technology.servers ( server_id uuid, game_id uuid, server_name text, region text, ip_address text, port integer, current_players integer, max_players integer, status text, last_heartbeat timestamp with time zone )
CREATE TABLE gaming_technology.in_game_items (
    item_id uuid NOT NULL DEFAULT gen_random_uuid(), -- unique identifier for the item definition
    game_id uuid NOT NULL, -- FK linking to the game this item belongs to
    item_name character varying(150) NOT NULL, -- name of the item
    item_type character varying(50) NOT NULL, -- type (e.g., Cosmetic, Consumable, Weapon, Armor)
    description text, -- description of the item
    rarity character varying(30), -- item rarity (e.g., Common, Rare, Epic, Legendary)
    cost_currency character varying(10), -- currency code if purchasable (e.g., USD, EUR, GOLD)
    cost_amount numeric(12, 2), -- price if purchasable
    attributes jsonb, -- flexible field for item stats or properties
    PRIMARY KEY (item_id)
    -- FOREIGN KEY (game_id) REFERENCES gaming_technology.games(game_id)
)


[User] List the first name and last name of citizens along with the amount of payments they have made.

[Assistant] SELECT T1.first_name, T1.last_name, T2.amount FROM government_services.citizens AS T1 JOIN government_services.payments AS T2 ON T1.citizen_id = T2.citizen_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 text PRIMARY KEY, national_id_number text, first_name text, last_name text, date_of_birth date, gender text, primary_address text, contact_email text, contact_phone text, registration_date timestamp, is_verified boolean )
CREATE TABLE government_services.services ( service_id text PRIMARY KEY, agency_id text, service_name text, description text, category text, eligibility_criteria text, standard_fee numeric, average_processing_time_days int, is_active boolean, online_application_url text )
CREATE TABLE government_services.payments ( payment_id text PRIMARY KEY, application_id text, citizen_id text, service_id text, amount numeric, currency text, payment_method text, payment_provider_reference text, payment_timestamp timestamp, status text, notes text )
CREATE TABLE government_services.service_locations ( location_id text PRIMARY KEY, agency_id text, location_name text, address text, city text, state text, postal_code text, latitude numeric, longitude numeric, operating_hours text, contact_phone text, is_accessible boolean )
CREATE TABLE government_services.appointments ( appointment_id text PRIMARY KEY, citizen_id text, employee_id text, location_id text, service_id text, scheduled_start_time timestamp, scheduled_end_time timestamp, purpose text, status text, booking_method text, created_at timestamp, notes text )


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

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

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


[User] List all job titles of employees who work in the 'Finance' department.

[Assistant]
SELECT DISTINCT job_title
FROM government_services.employees
WHERE department = 'Finance';

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE government_services.agencies ( agency_id character varying(64) NOT NULL, agency_name character varying(255) NOT NULL, jurisdiction_level character varying(50) NOT NULL, primary_contact_email character varying(128), main_phone_number character varying(32), website_url character varying(255), established_date date, parent_agency_id character varying(64), PRIMARY KEY (agency_id) )
CREATE TABLE government_services.services ( service_id text, agency_id text, service_name text, description text, category text, eligibility_criteria text, standard_fee numeric, average_processing_time_days integer, is_active boolean, online_application_url text )
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 text, agency_id text, location_name text, address text, city text, state text, postal_code text, latitude numeric, longitude numeric, operating_hours text, contact_phone text, is_accessible boolean )
CREATE TABLE government_services.notifications (
    notification_id 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] List all invoices that were paid within 7 days of their issue date. Show invoice number, issue date, payment date, and total amount.

[Assistant] SELECT invoice_number, issue_date, payment_date, total_amount FROM legal_services.invoices WHERE status = 'Paid' AND payment_date IS NOT NULL AND (payment_date::DATE - issue_date) <= 7;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE legal_services.lawyers ( lawyer_id.text, first_name.text, last_name.text, bar_number.text, firm_id.text, email.text, phone.text, specialization.text, hire_date.timestamp, is_partner.boolean )
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 )


[User] Find all medical records where the vitals JSON field contains a blood pressure reading with systolic higher than 140, and show the patient_id, record_date, and vitals.

[Assistant] SELECT patient_id, record_date, vitals FROM healthcare.medical_records WHERE (vitals->>'blood_pressure_systolic')::integer > 140;

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


[User] Count the number of logs for each action type.

[Assistant]
SELECT action,
       COUNT(*) AS count
FROM trading_platform.logs
GROUP BY action;

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.logs ( log_id text PRIMARY KEY, user_id text, action text, details text, logged_at timestamp )


[User] List document names and versions for documents that share the same case_id, showing each pair of versions.

[Assistant] SELECT d1.case_id, d1.document_name AS doc_name_v1, d1.version AS version1, d2.document_name AS doc_name_v2, d2.version AS version2 FROM legal_services.documents d1 JOIN legal_services.documents d2 ON d1.case_id = d2.case_id AND d1.version < d2.version;

[User] Actually, I only want to compare the highest version against the second highest version per case.

[Assistant] SELECT d_prev.case_id, d_prev.document_name AS prev_doc, d_prev.version AS prev_version, d_latest.document_name AS latest_doc, d_latest.version AS latest_version FROM legal_services.documents d_latest JOIN legal_services.documents d_prev ON d_latest.case_id = d_prev.case_id AND d_prev.version = d_latest.version - 1 WHERE d_latest.version = (SELECT MAX(version) FROM legal_services.documents d WHERE d.case_id = d_latest.case_id);

[User] Also include the upload timestamps and restrict to cases with at least three versions.

[Assistant] SELECT d_latest.case_id, d_prev.document_name AS prev_doc, d_prev.upload_timestamp AS prev_upload, d_latest.document_name AS latest_doc, d_latest.upload_timestamp AS latest_upload FROM legal_services.documents d_latest JOIN legal_services.documents d_prev ON d_latest.case_id = d_prev.case_id AND d_prev.version = d_latest.version - 1 WHERE d_latest.version = (SELECT MAX(version) FROM legal_services.documents d WHERE d.case_id = d_latest.case_id) AND (SELECT COUNT(*) FROM legal_services.documents d2 WHERE d2.case_id = d_latest.case_id) >= 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 legal_services.documents (
    document_id character varying(64) NOT NULL,  -- unique identifier for the document
    case_id character varying(64) NOT NULL, -- FK to cases table
    document_name character varying(255) NOT NULL, -- name of the document file
    document_type character varying(100), -- e.g., Pleading, Contract, Evidence, Correspondence
    storage_path text NOT NULL, -- path or reference to the document storage location
    uploaded_by_lawyer_id character varying(64), -- FK to lawyers table (who uploaded it)
    upload_timestamp timestamp NOT NULL, -- time the document was uploaded
    version integer DEFAULT 1, -- document version number
    description text, -- brief description or notes about the document
    PRIMARY KEY (document_id)
)


[User] Find the total number of documents uploaded by each citizen along with their first and last names.

[Assistant]
SELECT c.citizen_id, c.first_name, c.last_name, COUNT(d.document_id) AS document_count
FROM government_services.citizens c
LEFT JOIN government_services.documents d ON c.citizen_id = d.citizen_id
GROUP BY c.citizen_id, c.first_name, c.last_name;

[User] Actually, I only want to include those citizens who have uploaded documents in the last 30 days.

[Assistant]
SELECT c.citizen_id, c.first_name, c.last_name, COUNT(d.document_id) AS document_count
FROM government_services.citizens c
JOIN government_services.documents d ON c.citizen_id = d.citizen_id
WHERE d.upload_timestamp >= NOW() - INTERVAL '30 days'
GROUP BY c.citizen_id, c.first_name, c.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 government_services.citizens (
    citizen_id character varying(64) NOT NULL,  -- unique identifier for the citizen
    national_id_number character varying(128) NOT NULL UNIQUE, -- official national identification number
    first_name character varying(100) NOT NULL,
    last_name character varying(100) NOT NULL,
    date_of_birth date NOT NULL,
    gender character varying(20),
    primary_address text NOT NULL, -- full primary residential address
    contact_email character varying(128) UNIQUE,
    contact_phone character varying(32),
    registration_date timestamp NOT NULL, -- when the citizen profile was created
    is_verified boolean DEFAULT false, -- whether identity has been officially verified
    PRIMARY KEY (citizen_id)
)
CREATE TABLE government_services.services (
    service_id character varying(64) NOT NULL, -- 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 text PRIMARY KEY, application_id text, citizen_id text, document_type text, file_reference text, upload_timestamp timestamp, expiry_date date, verification_status text, verified_by_employee_id text, verification_timestamp timestamp )
CREATE TABLE government_services.payments ( payment_id text, application_id text, citizen_id text, service_id text, amount numeric, currency text, payment_method text, payment_provider_reference text, payment_timestamp timestamp, status text, notes text )
CREATE TABLE government_services.employees (
    employee_id character varying(64) NOT NULL, -- 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.appointments ( appointment_id character varying(64) NOT NULL, citizen_id character varying(64) NOT NULL, employee_id character varying(64), location_id character varying(64), service_id character varying(64), scheduled_start_time timestamp NOT NULL, scheduled_end_time timestamp, purpose text NOT NULL, status character varying(30) NOT NULL, booking_method character varying(50), created_at timestamp NOT NULL, notes text, PRIMARY KEY (appointment_id) )


[User] Find all pairs of customers who live in the same state but have different risk profiles.

[Assistant]
SELECT a.customer_id AS customer_id_a, a.first_name || ' ' || a.last_name AS full_name_a, a.risk_profile AS risk_profile_a, b.customer_id AS customer_id_b, b.first_name || ' ' || b.last_name AS full_name_b, b.risk_profile AS risk_profile_b, a.state
FROM financial_services.customers a
JOIN financial_services.customers b
  ON a.state = b.state
  AND a.risk_profile <> b.risk_profile;

[User] Now restrict to states that have more than 5 customers total.

[Assistant]
SELECT a.customer_id AS customer_id_a, a.first_name || ' ' || a.last_name AS full_name_a, a.risk_profile AS risk_profile_a, b.customer_id AS customer_id_b, b.first_name || ' ' || b.last_name AS full_name_b, b.risk_profile AS risk_profile_b, a.state
FROM financial_services.customers a
JOIN financial_services.customers b
  ON a.state = b.state
  AND a.risk_profile <> b.risk_profile
WHERE a.state IN (
  SELECT state
  FROM financial_services.customers
  GROUP BY state
  HAVING COUNT(*) > 5
);

[User] Also include the state in the result.

[Assistant]
SELECT a.customer_id AS customer_id_a, a.first_name || ' ' || a.last_name AS full_name_a, b.customer_id AS customer_id_b, b.first_name || ' ' || b.last_name AS full_name_b, a.state
FROM financial_services.customers a
JOIN financial_services.customers b
  ON a.state = b.state
  AND a.risk_profile <> b.risk_profile
WHERE a.state IN (
  SELECT state
  FROM financial_services.customers
  GROUP BY state
  HAVING COUNT(*) > 5
);

[User] Finally, order the output by state and then by a.customer_id.

[Assistant]
SELECT a.customer_id AS customer_id_a, a.first_name || ' ' || a.last_name AS full_name_a, b.customer_id AS customer_id_b, b.first_name || ' ' || b.last_name AS full_name_b, a.state
FROM financial_services.customers a
JOIN financial_services.customers b
  ON a.state = b.state
  AND a.risk_profile <> b.risk_profile
WHERE a.state IN (
  SELECT state
  FROM financial_services.customers
  GROUP BY state
  HAVING COUNT(*) > 5
)
ORDER BY a.state, a.customer_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 financial_services.customers ( customer_id.text, first_name.text, last_name.text, date_of_birth.date, ssn_hash.text, address.text, city.text, state.text, zip_code.text, country.text, email.text, phone_number.text, created_at.timestamp, status.text, risk_profile.text )


[User] List all reviews for properties with a star rating of at least 4.5. Include the property_name, review_id, rating_overall, and review_date.

[Assistant]
SELECT p.property_name, r.review_id, r.rating_overall, r.review_date
FROM hospitality_technology.reviews r
JOIN hospitality_technology.properties p ON r.property_id = p.property_id
WHERE p.star_rating >= 4.5;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE hospitality_technology.properties ( property_id text PRIMARY KEY, 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.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 )
CREATE TABLE hospitality_technology.guests ( guest_id text PRIMARY KEY, first_name text, last_name text, email text, phone_number text, date_of_birth date, address_line1 text, city text, state_province text, postal_code text, country_code text, preferences text, loyalty_member_id text, communication_consent boolean, created_at timestamp, updated_at timestamp )
CREATE TABLE hospitality_technology.staff ( staff_id text, property_id text, first_name text, last_name text, position text, work_email text, work_phone text, hire_date date, termination_date date, is_active boolean, access_level integer, manager_id text, created_at timestamp )
CREATE TABLE hospitality_technology.service_orders ( order_id.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 character varying(64) NOT NULL, property_id character varying(64) NOT NULL, reservation_id character varying(64) UNIQUE, guest_id character varying(64) NOT NULL, rating_overall integer, rating_cleanliness integer, rating_service integer, rating_location integer, rating_value integer, comment text, review_source character varying(100), review_date timestamp with time zone NOT NULL DEFAULT current_timestamp, is_public boolean DEFAULT true, staff_response text, response_staff_id character varying(64), response_date timestamp with time zone, PRIMARY KEY (review_id), FOREIGN KEY (property_id) REFERENCES hospitality_technology.properties(property_id), FOREIGN KEY (reservation_id) REFERENCES hospitality_technology.reservations(reservation_id), FOREIGN KEY (guest_id) REFERENCES hospitality_technology.guests(guest_id), FOREIGN KEY (response_staff_id) REFERENCES hospitality_technology.staff(staff_id) )


[User] 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 each customer, could you list their full name, email, and the combined balance of all their accounts? Please also show the number of accounts they hold.

[Assistant]
SELECT c.customer_id, c.first_name || ' ' || c.last_name AS full_name, c.email, SUM(a.balance) AS total_balance, COUNT(a.account_id) AS account_count
FROM financial_services.customers c
JOIN financial_services.accounts a ON c.customer_id = a.customer_id
GROUP BY c.customer_id, c.first_name, c.last_name, c.email;

[User] Thanks! Now, can you show only customers with at least two accounts in different currencies, and display the number of distinct currencies as well?

[Assistant]
SELECT c.customer_id, c.first_name || ' ' || c.last_name AS full_name, c.email, SUM(a.balance) AS total_balance, COUNT(a.account_id) AS account_count, COUNT(DISTINCT a.currency) AS currency_count
FROM financial_services.customers c
JOIN financial_services.accounts a ON c.customer_id = a.customer_id
GROUP BY c.customer_id, c.first_name, c.last_name, c.email
HAVING COUNT(a.account_id) >= 2 AND COUNT(DISTINCT a.currency) >= 2;

[User] Could you also filter to only include customers whose total combined account balance is over 10,000 and show their risk_profile?

[Assistant]
SELECT c.customer_id, c.first_name || ' ' || c.last_name AS full_name, c.email, SUM(a.balance) AS total_balance, COUNT(a.account_id) AS account_count, COUNT(DISTINCT a.currency) AS currency_count, c.risk_profile
FROM financial_services.customers c
JOIN financial_services.accounts a ON c.customer_id = a.customer_id
GROUP BY c.customer_id, c.first_name, c.last_name, c.email, c.risk_profile
HAVING COUNT(a.account_id) >= 2 AND COUNT(DISTINCT a.currency) >= 2 AND SUM(a.balance) > 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 financial_services.customers ( customer_id text PRIMARY KEY, first_name text, last_name text, date_of_birth date, ssn_hash text, address text, city text, state text, zip_code text, country text, email text, phone_number text, created_at timestamp, status text, risk_profile text )
CREATE TABLE financial_services.accounts ( account_id text PRIMARY KEY, customer_id text, account_number text, account_type text, balance numeric, currency text, opened_date date, status text, interest_rate numeric, last_updated_at timestamp )
CREATE TABLE financial_services.transactions ( transaction_id text PRIMARY KEY, account_id text, related_account_id text, transaction_type text, amount numeric, currency text, transaction_date timestamp, effective_date date, description text, status text, reference_number text )
CREATE TABLE financial_services.securities ( security_id text PRIMARY KEY, ticker_symbol text, isin_code text, cusip_code text, security_name text, security_type text, exchange text, currency text, issuer_name text, sector text, last_updated timestamp )
CREATE TABLE financial_services.employees ( employee_id text PRIMARY KEY, first_name text, last_name text, job_title text, department text, branch_id text, email text, phone_extension text, hire_date date, termination_date date, manager_id text, status text )


[User] Calculate the average total amount and average amount paid for reservations grouped by booking source.

[Assistant] SELECT booking_source, AVG(total_amount) AS avg_total_amount, AVG(amount_paid) AS avg_amount_paid FROM hospitality_technology.reservations GROUP BY booking_source;

[User] Now, only include booking sources where the average total amount is greater than 500 and sort the results by average total amount descending.

[Assistant] SELECT booking_source, AVG(total_amount) AS avg_total_amount, AVG(amount_paid) AS avg_amount_paid FROM hospitality_technology.reservations GROUP BY booking_source HAVING AVG(total_amount) > 500 ORDER BY avg_total_amount 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.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] What are the personal contact details of the staff member associated with staff_id 'STAFF789' who worked on a specific maintenance record?

[Assistant] I'm sorry, but I can't provide personal contact details of staff members as this information is not stored in the maintenance_records table and is outside the scope of the available data.

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


[User] For each transaction, list the total value transferred and the number of different addresses involved (either as sender or receiver).

[Assistant]
SELECT transaction_id, SUM(value) AS total_value_transferred, COUNT(DISTINCT addr) AS num_addresses_involved
FROM (
    SELECT transaction_id, from_address AS addr, value FROM web3.token_transfers
    UNION ALL
    SELECT transaction_id, to_address AS addr, 0 as value FROM web3.token_transfers
) t
GROUP BY transaction_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.token_transfers ( transfer_id text, token_id text, from_address text, to_address text, value numeric, transaction_id text, log_index integer )


[User] Find the average percentage share among all beneficiaries for each distinct relationship type.

[Assistant] SELECT relationship, AVG(percentage_share) FROM insurance.policy_beneficiaries GROUP BY relationship ORDER 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.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.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] Show me all doctors specializing in Pediatrics along with their upcoming appointments, including the patient ID and appointment time.

[Assistant] SELECT d.doctor_id, d.first_name, d.last_name, a.patient_id, a.appointment_time FROM healthcare.doctors d JOIN healthcare.appointments a ON d.doctor_id = a.doctor_id WHERE d.specialty = 'Pediatrics' AND a.appointment_time > CURRENT_TIMESTAMP ORDER BY a.appointment_time;

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 PRIMARY KEY, first_name text, last_name text, specialty text, license_number text, phone_number text, email text, hospital_affiliation_id text, created_at timestamp, updated_at timestamp )
CREATE TABLE healthcare.appointments ( appointment_id text, patient_id text, doctor_id text, appointment_time timestamp, duration_minutes integer, reason text, status text, location_id text, notes text, created_at timestamp )
CREATE TABLE healthcare.diagnoses ( diagnosis_id text, record_id text, patient_id text, doctor_id text, diagnosis_code text, code_type text, description text, diagnosis_date date, status text, is_chronic boolean )
CREATE TABLE healthcare.medications ( medication_id character varying(64) NOT NULL, medication_name character varying(255) NOT NULL, generic_name character varying(255), manufacturer character varying(100), ndc_code character varying(20) UNIQUE, description text, PRIMARY KEY (medication_id) )
CREATE TABLE healthcare.prescriptions ( prescription_id character varying(64) NOT NULL, record_id character varying(64) NOT NULL, patient_id character varying(64) NOT NULL, doctor_id character varying(64) NOT NULL, medication_id character varying(64) NOT NULL, dosage character varying(100) NOT NULL, frequency character varying(100) NOT NULL, route character varying(50), start_date date NOT NULL, end_date date, quantity_dispensed numeric(10,2), refills_allowed integer NOT NULL DEFAULT 0, prescription_date timestamp with time zone NOT NULL DEFAULT current_timestamp, PRIMARY KEY (prescription_id) )


[User] For each player, show how many achievements they have unlocked in games with items of type 'Consumable'.

[Assistant]
SELECT pa.player_id, COUNT(DISTINCT pa.achievement_id) AS achievements_unlocked
FROM gaming_technology.player_achievements pa
JOIN gaming_technology.in_game_items i ON pa.achievement_id IS NOT NULL AND i.item_type = 'Consumable'
GROUP BY pa.player_id;

[User] This query didn't run because achievements and items aren't directly related. Can you instead count, for each player, the number of unique achievements unlocked in any game that contains at least one consumable item?

[Assistant]
SELECT pa.player_id, COUNT(DISTINCT pa.achievement_id) AS achievements_unlocked
FROM gaming_technology.player_achievements pa
JOIN gaming_technology.in_game_items igi ON igi.item_type = 'Consumable'
JOIN gaming_technology.achievements a ON pa.achievement_id = a.achievement_id AND a.game_id = igi.game_id
GROUP BY pa.player_id;

[User] Sorry, my schema doesn't have an achievements table. Can you instead show, for each player, the total number of distinct achievements they've unlocked in games that have any items of type 'Consumable' in in_game_items?

[Assistant]
SELECT pa.player_id, COUNT(DISTINCT pa.achievement_id) AS achievements_unlocked
FROM gaming_technology.player_achievements pa
WHERE pa.achievement_id IN (
    SELECT DISTINCT pa2.achievement_id
    FROM gaming_technology.player_achievements pa2
    JOIN gaming_technology.in_game_items igi ON pa2.achievement_id IS NOT NULL AND igi.item_type = 'Consumable'
)
GROUP BY pa.player_id;

[User] Now, only show players who have unlocked more than 3 such achievements.

[Assistant]
SELECT pa.player_id, COUNT(DISTINCT pa.achievement_id) AS achievements_unlocked
FROM gaming_technology.player_achievements pa
WHERE pa.achievement_id IN (
    SELECT DISTINCT pa2.achievement_id
    FROM gaming_technology.player_achievements pa2
    JOIN gaming_technology.in_game_items igi ON pa2.achievement_id IS NOT NULL AND igi.item_type = 'Consumable'
)
GROUP BY pa.player_id
HAVING COUNT(DISTINCT pa.achievement_id) > 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 gaming_technology.developers ( developer_id uuid PRIMARY KEY, name text, country text, founded_year int, website text, created_at timestamptz )
CREATE TABLE gaming_technology.game_sessions ( session_id uuid PRIMARY KEY, player_id uuid, game_id uuid, server_id uuid, start_time timestamptz, end_time timestamptz, duration_seconds int, score int, session_data jsonb )
CREATE TABLE gaming_technology.servers ( server_id.uuid, game_id.uuid, server_name.text, region.text, ip_address.text, port.integer, current_players.integer, max_players.integer, status.text, last_heartbeat.timestamptz )
CREATE TABLE gaming_technology.player_achievements ( player_achievement_id uuid NOT NULL DEFAULT gen_random_uuid(), player_id uuid NOT NULL, achievement_id uuid NOT NULL, unlocked_at timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY (player_achievement_id), UNIQUE (player_id, achievement_id) )
CREATE TABLE gaming_technology.in_game_items ( item_id uuid, game_id uuid, item_name text, item_type text, description text, rarity text, cost_currency text, cost_amount numeric, attributes jsonb )
CREATE TABLE gaming_technology.player_inventory ( inventory_id.uuid, player_id.uuid, item_id.uuid, quantity.integer, acquired_at.timestamptz, instance_data.jsonb )


[User] List tokens that have a 24-hour trading volume greater than $10,000,000 and a negative price change percentage over the last 24 hours. Show the token symbol, chain, total volume, and the 24-hour price change percentage.

[Assistant] SELECT token_symbol, chain, total_volume, price_change_percentage_24h FROM token_basic_info WHERE CAST(REPLACE(total_volume, ',', '') AS numeric) > 10000000 AND price_change_percentage_24h < 0

[User] From those results, filter further to only include tokens with a market cap rank of 100 or better. Order the results by 24-hour trading volume in descending order.

[Assistant] SELECT token_symbol, chain, total_volume, price_change_percentage_24h FROM token_basic_info WHERE CAST(REPLACE(total_volume, ',', '') AS numeric) > 10000000 AND price_change_percentage_24h < 0 AND market_cap_rank IS NOT NULL AND market_cap_rank <= 100 ORDER BY CAST(REPLACE(total_volume, ',', '') AS numeric) 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 token_basic_info ( coin_id text, token_name text, token_symbol text, token_address text, chain text, price numeric, price_change_percentage_1h numeric, price_change_percentage_24h numeric, price_change_percentage_7d numeric, highest_price_24h numeric, lowest_price_24h numeric, market_cap numeric, market_cap_rank numeric, market_cap_change_percentage_24h text, total_volume text, narrative text, trend_rank numeric )


[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] Can you list each game alongside another game in the same genre but by a different developer?

[Assistant]
SELECT g1.genre, g1.title AS game1, g2.title AS game2
FROM gaming_technology.games g1
JOIN gaming_technology.games g2
  ON g1.genre = g2.genre
  AND g1.developer_id <> g2.developer_id;

[User] Exclude any pairs where either game was released before 2019.

[Assistant]
SELECT g1.genre, g1.title AS game1, g2.title AS game2
FROM gaming_technology.games g1
JOIN gaming_technology.games g2
  ON g1.genre = g2.genre
  AND g1.developer_id <> g2.developer_id
WHERE g1.release_date >= '2019-01-01'
  AND g2.release_date >= '2019-01-01';

[User] Limit the output to the first 10 pairs ordered by genre and developer_id.

[Assistant]
SELECT g1.genre, g1.title AS game1, g2.title AS game2
FROM gaming_technology.games g1
JOIN gaming_technology.games g2
  ON g1.genre = g2.genre
  AND g1.developer_id <> g2.developer_id
WHERE g1.release_date >= '2019-01-01'
  AND g2.release_date >= '2019-01-01'
ORDER BY g1.genre, g1.developer_id
LIMIT 10;

System:
You are an SQL statement expert. Given the table structure described by the CREATE TABLE statement, write an SQL query that provides the solution to the user's question.
##Table Structure
CREATE TABLE gaming_technology.games ( game_id.uuid, title.text, developer_id.uuid, publisher_id.uuid, genre.text, release_date.date, description.text, platform.text, engine.text, website.text )