ajayk007/querysmith-spider-bird huggingface dataset:
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Categories (
  CategoryID integer PRIMARY KEY,
  CategoryName text,
  Description text
);
CREATE TABLE Customers (
  CustomerID integer PRIMARY KEY,
  CustomerName text,
  ContactName text,
  Address text,
  City text,
  PostalCode text,
  Country text
);
CREATE TABLE Employees (
  EmployeeID integer PRIMARY KEY,
  LastName text,
  FirstName text,
  BirthDate date,
  Photo text,
  Notes text
);
CREATE TABLE Shippers (
  ShipperID integer PRIMARY KEY,
  ShipperName text,
  Phone text
);
CREATE TABLE Suppliers (
  SupplierID integer PRIMARY KEY,
  SupplierName text,
  ContactName text,
  Address text,
  City text,
  PostalCode text,
  Country text,
  Phone text
);
CREATE TABLE Products (
  ProductID integer PRIMARY KEY,
  ProductName text,
  SupplierID integer,
  CategoryID integer,
  Unit text,
  Price real
);
CREATE TABLE Orders (
  OrderID integer PRIMARY KEY,
  CustomerID integer,
  EmployeeID integer,
  OrderDate datetime,
  ShipperID integer
);
CREATE TABLE OrderDetails (
  OrderDetailID integer PRIMARY KEY,
  OrderID integer,
  ProductID integer,
  Quantity integer
);
-- foreign keys: Products.SupplierID -> Suppliers.SupplierID; Products.CategoryID -> Categories.CategoryID; Orders.ShipperID -> Shippers.ShipperID; Orders.CustomerID -> Customers.CustomerID; Orders.EmployeeID -> Employees.EmployeeID; OrderDetails.ProductID -> Products.ProductID; OrderDetails.OrderID -> Orders.OrderID

Hint: Vice President of Sales refers to Title = 'Vice President, Sales';

Question: Write down the full name of Vie President of Sales and his age when he was hired.

assistant: SELECT FirstName, LastName , TIMESTAMPDIFF(YEAR, BirthDate, HireDate) AS AGE FROM Employees WHERE Title = 'Vice President, Sales'
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE all_prevalences (
  ITEM text PRIMARY KEY,
  POPULATION TYPE text,
  OCCURRENCES integer,
  POPULATION COUNT integer,
  PREVALENCE RATE real,
  PREVALENCE PERCENTAGE real
);
CREATE TABLE patients (
  patient text PRIMARY KEY,
  birthdate date,
  deathdate date,
  ssn text,
  drivers text,
  passport text,
  prefix text,
  first text,
  last text,
  suffix text,
  maiden text,
  marital text,
  race text,
  ethnicity text,
  gender text,
  birthplace text,
  address text
);
CREATE TABLE encounters (
  ID text PRIMARY KEY,
  DATE date,
  PATIENT text,
  CODE integer,
  DESCRIPTION text,
  REASONCODE integer,
  REASONDESCRIPTION text
);
CREATE TABLE allergies (
  START text,
  STOP text,
  PATIENT text PRIMARY KEY,
  ENCOUNTER text PRIMARY KEY,
  CODE integer PRIMARY KEY,
  DESCRIPTION text
);
CREATE TABLE careplans (
  ID text,
  START date,
  STOP date,
  PATIENT text,
  ENCOUNTER text,
  CODE real,
  DESCRIPTION text,
  REASONCODE integer,
  REASONDESCRIPTION text
);
CREATE TABLE conditions (
  START date,
  STOP date,
  PATIENT text,
  ENCOUNTER text,
  CODE integer,
  DESCRIPTION text
);
CREATE TABLE immunizations (
  DATE date PRIMARY KEY,
  PATIENT text PRIMARY KEY,
  ENCOUNTER text PRIMARY KEY,
  CODE integer PRIMARY KEY,
  DESCRIPTION text
);
CREATE TABLE medications (
  START date PRIMARY KEY,
  STOP date,
  PATIENT text PRIMARY KEY,
  ENCOUNTER text PRIMARY KEY,
  CODE integer PRIMARY KEY,
  DESCRIPTION text,
  REASONCODE integer,
  REASONDESCRIPTION text
);
CREATE TABLE observations (
  DATE date,
  PATIENT text,
  ENCOUNTER text,
  CODE text,
  DESCRIPTION text,
  VALUE real,
  UNITS text
);
CREATE TABLE procedures (
  DATE date,
  PATIENT text,
  ENCOUNTER text,
  CODE integer,
  DESCRIPTION text,
  REASONCODE integer,
  REASONDESCRIPTION text
);
CREATE TABLE claims (
  ID text PRIMARY KEY,
  PATIENT text,
  BILLABLEPERIOD date,
  ORGANIZATION text,
  ENCOUNTER text,
  DIAGNOSIS text,
  TOTAL integer
);
-- foreign keys: encounters.PATIENT -> patients.patient; allergies.PATIENT -> patients.patient; allergies.ENCOUNTER -> encounters.ID; careplans.PATIENT -> patients.patient; careplans.ENCOUNTER -> encounters.ID; conditions.DESCRIPTION -> all_prevalences.ITEM; conditions.PATIENT -> patients.patient; conditions.ENCOUNTER -> encounters.ID; immunizations.PATIENT -> patients.patient; immunizations.ENCOUNTER -> encounters.ID; medications.PATIENT -> patients.patient; medications.ENCOUNTER -> encounters.ID; observations.PATIENT -> patients.patient; observations.ENCOUNTER -> encounters.ID; procedures.PATIENT -> patients.patient; procedures.ENCOUNTER -> encounters.ID

Question: Describe the care plans of patient Major D'Amore's plan of care.

assistant: SELECT DISTINCT T2.DESCRIPTION FROM patients AS T1 INNER JOIN careplans AS T2 ON T1.patient = T2.PATIENT WHERE T1.first = 'Major' AND T1.last = 'D''Amore'
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Categories (
  CategoryID integer PRIMARY KEY,
  CategoryName text,
  Description text
);
CREATE TABLE Customers (
  CustomerID integer PRIMARY KEY,
  CustomerName text,
  ContactName text,
  Address text,
  City text,
  PostalCode text,
  Country text
);
CREATE TABLE Employees (
  EmployeeID integer PRIMARY KEY,
  LastName text,
  FirstName text,
  BirthDate date,
  Photo text,
  Notes text
);
CREATE TABLE Shippers (
  ShipperID integer PRIMARY KEY,
  ShipperName text,
  Phone text
);
CREATE TABLE Suppliers (
  SupplierID integer PRIMARY KEY,
  SupplierName text,
  ContactName text,
  Address text,
  City text,
  PostalCode text,
  Country text,
  Phone text
);
CREATE TABLE Products (
  ProductID integer PRIMARY KEY,
  ProductName text,
  SupplierID integer,
  CategoryID integer,
  Unit text,
  Price real
);
CREATE TABLE Orders (
  OrderID integer PRIMARY KEY,
  CustomerID integer,
  EmployeeID integer,
  OrderDate datetime,
  ShipperID integer
);
CREATE TABLE OrderDetails (
  OrderDetailID integer PRIMARY KEY,
  OrderID integer,
  ProductID integer,
  Quantity integer
);
-- foreign keys: Products.SupplierID -> Suppliers.SupplierID; Products.CategoryID -> Categories.CategoryID; Orders.ShipperID -> Shippers.ShipperID; Orders.CustomerID -> Customers.CustomerID; Orders.EmployeeID -> Employees.EmployeeID; OrderDetails.ProductID -> Products.ProductID; OrderDetails.OrderID -> Orders.OrderID

Hint: "Berlin" is the City; 'Germany' is the Country

Question: How many customers are there in Berlin, Germany?

assistant: SELECT COUNT(City) FROM Customers WHERE Country = 'Germany' AND City = 'Berlin'
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
--data definition

create table genre(
	g_name varchar2(20) not null,
	rating varchar2(10),
	most_popular_in varchar2(50),
	primary key(g_name)
);

create table artist(
	artist_name varchar2(50) not null,
	country varchar2(20),
	gender varchar2(20),
	preferred_genre varchar2(50),
	constraint a_name primary key(artist_name),
	foreign key(preferred_genre) references genre(g_name) ON DELETE CASCADE
);

create table files(
	f_id number(10) not null,
	artist_name varchar2(50),
	file_size varchar2(20),
	duration varchar2(20),
	formats varchar2(20),
	primary key(f_id),
	foreign key(artist_name) references artist(artist_name) ON DELETE CASCADE
);


create table song(
	song_name varchar2(50),
	artist_name varchar2(50),
	country varchar2(20),
	f_id number(10),
    	genre_is varchar2(20),
	rating number(10) check(rating>0 and rating<11),
	languages varchar2(20),
	releasedate Date, 
	resolution number(10) not null,
	constraint s_name primary key(song_name),
	foreign key(artist_name) references artist(artist_name) ON DELETE CASCADE,
	foreign key(f_id) references files(f_id) ON DELETE CASCADE,
	foreign key(genre_is) references genre(g_name) ON DELETE CASCADE
);


--insertion of attributes in the table

Question: What is the name and country of origin for each artist who has released a song with a resolution higher than 900?

assistant: SELECT T1.artist_name , T1.country FROM artist AS T1 JOIN song AS T2 ON T1.artist_name = T2.artist_name WHERE T2.resolution > 900 GROUP BY T2.artist_name HAVING count(*) >= 1
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Community_Area (
  community_area_no integer PRIMARY KEY,
  community_area_name text,
  side text,
  population text
);
CREATE TABLE District (
  district_no integer PRIMARY KEY,
  district_name text,
  address text,
  zip_code integer,
  commander text,
  email text,
  phone text,
  fax text,
  tty text,
  twitter text
);
CREATE TABLE FBI_Code (
  fbi_code_no text PRIMARY KEY,
  title text,
  description text,
  crime_against text
);
CREATE TABLE IUCR (
  iucr_no text PRIMARY KEY,
  primary_description text,
  secondary_description text,
  index_code text
);
CREATE TABLE Neighborhood (
  neighborhood_name text PRIMARY KEY,
  community_area_no integer
);
CREATE TABLE Ward (
  ward_no integer PRIMARY KEY,
  alderman_first_name text,
  alderman_last_name text,
  alderman_name_suffix text,
  ward_office_address text,
  ward_office_zip text,
  ward_email text,
  ward_office_phone text,
  ward_office_fax text,
  city_hall_office_room integer,
  city_hall_office_phone text,
  city_hall_office_fax text,
  Population integer
);
CREATE TABLE Crime (
  report_no integer PRIMARY KEY,
  case_number text,
  date text,
  block text,
  iucr_no text,
  location_description text,
  arrest text,
  domestic text,
  beat integer,
  district_no integer,
  ward_no integer,
  community_area_no integer,
  fbi_code_no text,
  latitude text,
  longitude text
);
-- foreign keys: Neighborhood.community_area_no -> Community_Area.community_area_no; Crime.fbi_code_no -> FBI_Code.fbi_code_no; Crime.community_area_no -> Community_Area.community_area_no; Crime.district_no -> District.district_no; Crime.iucr_no -> IUCR.iucr_no; Crime.ward_no -> Ward.ward_no

Hint: the Far North side refers to side = 'Far North'

Question: How many community areas are in the Far North side?

assistant: SELECT COUNT(*) FROM Community_Area WHERE side = 'Far North '
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Categories (
  CategoryID integer PRIMARY KEY,
  CategoryName text,
  Description text
);
CREATE TABLE Customers (
  CustomerID integer PRIMARY KEY,
  CustomerName text,
  ContactName text,
  Address text,
  City text,
  PostalCode text,
  Country text
);
CREATE TABLE Employees (
  EmployeeID integer PRIMARY KEY,
  LastName text,
  FirstName text,
  BirthDate date,
  Photo text,
  Notes text
);
CREATE TABLE Shippers (
  ShipperID integer PRIMARY KEY,
  ShipperName text,
  Phone text
);
CREATE TABLE Suppliers (
  SupplierID integer PRIMARY KEY,
  SupplierName text,
  ContactName text,
  Address text,
  City text,
  PostalCode text,
  Country text,
  Phone text
);
CREATE TABLE Products (
  ProductID integer PRIMARY KEY,
  ProductName text,
  SupplierID integer,
  CategoryID integer,
  Unit text,
  Price real
);
CREATE TABLE Orders (
  OrderID integer PRIMARY KEY,
  CustomerID integer,
  EmployeeID integer,
  OrderDate datetime,
  ShipperID integer
);
CREATE TABLE OrderDetails (
  OrderDetailID integer PRIMARY KEY,
  OrderID integer,
  ProductID integer,
  Quantity integer
);
-- foreign keys: Products.SupplierID -> Suppliers.SupplierID; Products.CategoryID -> Categories.CategoryID; Orders.ShipperID -> Shippers.ShipperID; Orders.CustomerID -> Customers.CustomerID; Orders.EmployeeID -> Employees.EmployeeID; OrderDetails.ProductID -> Products.ProductID; OrderDetails.OrderID -> Orders.OrderID

Hint: most ordered refers to max(COUNT(OrderID))

Question: List the name of the top ten most ordered product's names in descending order of the number of orders.

assistant: SELECT T3.ProductName FROM Orders AS T1 INNER JOIN `Order Details` AS T2 ON T1.OrderID = T2.OrderID INNER JOIN Products AS T3 ON T2.ProductID = T3.ProductID GROUP BY T3.ProductName ORDER BY COUNT(*) DESC LIMIT 10
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Customers (
  CustomerID integer PRIMARY KEY,
  Customer Names text
);
CREATE TABLE Products (
  ProductID integer PRIMARY KEY,
  Product Name text
);
CREATE TABLE Regions (
  StateCode text PRIMARY KEY,
  State text,
  Region text
);
CREATE TABLE Sales Team (
  SalesTeamID integer PRIMARY KEY,
  Sales Team text,
  Region text
);
CREATE TABLE Store Locations (
  StoreID integer PRIMARY KEY,
  City Name text,
  County text,
  StateCode text,
  State text,
  Type text,
  Latitude real,
  Longitude real,
  AreaCode integer,
  Population integer,
  Household Income integer,
  Median Income integer,
  Land Area integer,
  Water Area integer,
  Time Zone text
);
CREATE TABLE Sales Orders (
  OrderNumber text PRIMARY KEY,
  Sales Channel text,
  WarehouseCode text,
  ProcuredDate text,
  OrderDate text,
  ShipDate text,
  DeliveryDate text,
  CurrencyCode text,
  _SalesTeamID integer,
  _CustomerID integer,
  _StoreID integer,
  _ProductID integer,
  Order Quantity integer,
  Discount Applied real,
  Unit Price text,
  Unit Cost text
);
-- foreign keys: Store Locations.StateCode -> Regions.StateCode; Sales Orders._ProductID -> Products.ProductID; Sales Orders._StoreID -> Store Locations.StoreID; Sales Orders._CustomerID -> Customers.CustomerID; Sales Orders._SalesTeamID -> Sales Team.SalesTeamID

Hint: MAX(Discount Applied) where Product Name = 'Cocktail Glasses'; orders in 2020 refer to the OrderDate between 01-01-2020 and 31-12-2020;

Question: Among orders in 2020, name the customers who had the greatest discount applied for 'Cocktail Glasses'

assistant: SELECT DISTINCT T1.`Customer Names` FROM Customers AS T1 INNER JOIN `Sales Orders` AS T2 ON T2._CustomerID = T1.CustomerID INNER JOIN Products AS T3 ON T3.ProductID = T2._ProductID WHERE T3.`Product Name` = 'Cocktail Glasses' AND SUBSTR(T2.OrderDate, -2) = '20' AND T2.`Discount Applied` = ( SELECT T2.`Discount Applied` FROM Customers AS T1 INNER JOIN `Sales Orders` AS T2 ON T2._CustomerID = T1.CustomerID INNER JOIN Products AS T3 ON T3.ProductID = T2._ProductID WHERE T3.`Product Name` = 'Cocktail Glasses' AND T2.OrderDate LIKE '%/%/20' ORDER BY T2.`Discount Applied` DESC LIMIT 1 )
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE "Rooms" ( 
	"RoomId" TEXT PRIMARY KEY,
	"roomName" TEXT, 
	"beds" INTEGER, 
	"bedType" TEXT, 
	"maxOccupancy" INTEGER, 
	"basePrice" INTEGER, 
	"decor" TEXT

);

CREATE TABLE "Reservations" ( 
	"Code" INTEGER PRIMARY KEY, 
	"Room" TEXT, 
	"CheckIn" TEXT, 
	"CheckOut" TEXT, 
	"Rate" REAL, 
	"LastName" TEXT, 
	"FirstName" TEXT, 
	"Adults" INTEGER, 
	"Kids" INTEGER,
	FOREIGN KEY (Room) REFERENCES Rooms(RoomId)
);

Question: Find the id and name of the most expensive base price room.

assistant: SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 1;
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Episode (
  episode_id text PRIMARY KEY,
  series text,
  season integer,
  episode integer,
  number_in_series integer,
  title text,
  summary text,
  air_date date,
  episode_image text,
  rating real,
  votes integer
);
CREATE TABLE Keyword (
  episode_id text PRIMARY KEY,
  keyword text PRIMARY KEY
);
CREATE TABLE Person (
  person_id text PRIMARY KEY,
  name text,
  birthdate date,
  birth_name text,
  birth_place text,
  birth_region text,
  birth_country text,
  height_meters real,
  nickname text
);
CREATE TABLE Award (
  award_id integer PRIMARY KEY,
  organization text,
  year integer,
  award_category text,
  award text,
  series text,
  episode_id text,
  person_id text,
  role text,
  result text
);
CREATE TABLE Credit (
  episode_id text PRIMARY KEY,
  person_id text PRIMARY KEY,
  category text,
  role text,
  credited text
);
CREATE TABLE Vote (
  episode_id text,
  stars integer,
  votes integer,
  percent real
);
-- foreign keys: Keyword.episode_id -> Episode.episode_id; Award.person_id -> Person.person_id; Award.episode_id -> Episode.episode_id; Credit.person_id -> Person.person_id; Credit.episode_id -> Episode.episode_id; Vote.episode_id -> Episode.episode_id

Hint: not credited refers to credited = ''; the "Admissions" episode refers to title = 'Admissions'

Question: How many people were not credited at the end of the "Admissions" episode?

assistant: SELECT COUNT(T2.person_id) FROM Episode AS T1 INNER JOIN Credit AS T2 ON T1.episode_id = T2.episode_id WHERE T1.title = 'Admissions' AND T2.credited = 'false'
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
-- drop table flight cascade constraints;
-- drop table aircraft cascade constraints;
-- drop table employee cascade constraints;
-- drop table certificate cascade constraints;

create table flight(
	flno number(4,0) primary key,
	origin varchar2(20),
	destination varchar2(20),
	distance number(6,0),
	departure_date date,
	arrival_date date,
	price number(7,2),
    aid number(9,0),
    foreign key("aid") references `aircraft`("aid"));

create table aircraft(
	aid number(9,0) primary key,
	name varchar2(30),
	distance number(6,0));

create table employee(
	eid number(9,0) primary key,
	name varchar2(30),
	salary number(10,2));

create table certificate(
	eid number(9,0),
	aid number(9,0),
	primary key(eid,aid),
	foreign key("eid") references `employee`("eid"),
	foreign key("aid") references `aircraft`("aid"));

Question: Show aircraft names and number of flights for each aircraft.

assistant: SELECT T2.name , count(*) FROM Flight AS T1 JOIN Aircraft AS T2 ON T1.aid = T2.aid GROUP BY T1.aid
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
PRAGMA foreign_keys = ON;

CREATE TABLE "publication" (
"Publication_ID" int,
"Book_ID" int,
"Publisher" text,
"Publication_Date" text,
"Price" real,
PRIMARY KEY ("Publication_ID"),
FOREIGN KEY ("Book_ID") REFERENCES "book"("Book_ID")
);

CREATE TABLE "book" (
"Book_ID" int,
"Title" text,
"Issues" real,
"Writer" text,
PRIMARY KEY ("Book_ID")
);

Question: What are the titles of the books whose writer is not "Elaine Lee"?

assistant: SELECT Title FROM book WHERE Writer != "Elaine Lee"
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
create table Student (
        StuID        INTEGER PRIMARY KEY,
        LName        VARCHAR(12),
        Fname        VARCHAR(12),
        Age      INTEGER,
        Sex      VARCHAR(1),
        Major        INTEGER,
        Advisor      INTEGER,
        city_code    VARCHAR(3)
 );
 

create table Dorm (
       dormid		INTEGER,
       dorm_name	VARCHAR(20),
       student_capacity	INTEGER,
       gender			VARCHAR(1)
) ;

create table Dorm_amenity (
       amenid			INTEGER,
       amenity_name		VARCHAR(25)
) ;

create table Has_amenity (
       dormid			INTEGER,
       amenid				INTEGER,
	FOREIGN KEY (dormid) REFERENCES `Dorm`(dormid),
	FOREIGN KEY (amenid) REFERENCES `Dorm_amenity`(amenid)
);

create table Lives_in (
       stuid 	      INTEGER,
       dormid		INTEGER,
       room_number	INTEGER,
	FOREIGN KEY (stuid) REFERENCES `Student`(StuID),
        FOREIGN KEY (dormid) REFERENCES `Dorm`(dormid)
);

Question: How many students are older than 20 in each dorm?

assistant: SELECT count(*) , T3.dorm_name FROM student AS T1 JOIN lives_in AS T2 ON T1.stuid = T2.stuid JOIN dorm AS T3 ON T3.dormid = T2.dormid WHERE T1.age > 20 GROUP BY T3.dorm_name
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE Episode (
  episode_id text PRIMARY KEY,
  series text,
  season integer,
  episode integer,
  number_in_series integer,
  title text,
  summary text,
  air_date date,
  episode_image text,
  rating real,
  votes integer
);
CREATE TABLE Keyword (
  episode_id text PRIMARY KEY,
  keyword text PRIMARY KEY
);
CREATE TABLE Person (
  person_id text PRIMARY KEY,
  name text,
  birthdate date,
  birth_name text,
  birth_place text,
  birth_region text,
  birth_country text,
  height_meters real,
  nickname text
);
CREATE TABLE Award (
  award_id integer PRIMARY KEY,
  organization text,
  year integer,
  award_category text,
  award text,
  series text,
  episode_id text,
  person_id text,
  role text,
  result text
);
CREATE TABLE Credit (
  episode_id text PRIMARY KEY,
  person_id text PRIMARY KEY,
  category text,
  role text,
  credited text
);
CREATE TABLE Vote (
  episode_id text,
  stars integer,
  votes integer,
  percent real
);
-- foreign keys: Keyword.episode_id -> Episode.episode_id; Award.person_id -> Person.person_id; Award.episode_id -> Episode.episode_id; Credit.person_id -> Person.person_id; Credit.episode_id -> Episode.episode_id; Vote.episode_id -> Episode.episode_id

Hint: who refers to name; narrator refers to role = 'Narrator'; the "Flight" episode refers to title = 'Flight'

Question: Who is the narrator of the "Flight" episode?

assistant: SELECT T3.name FROM Episode AS T1 INNER JOIN Credit AS T2 ON T1.episode_id = T2.episode_id INNER JOIN Person AS T3 ON T3.person_id = T2.person_id WHERE T1.title = 'Flight' AND T2.role = 'Narrator'
system: You are a text-to-SQL generator. Given a database schema and a question, reply with a single valid SQLite query that answers it. Output only the SQL on one line, with no explanation and no markdown.

user: Schema:
CREATE TABLE country (
  id integer PRIMARY KEY,
  country_name text
);
CREATE TABLE ranking_system (
  id integer PRIMARY KEY,
  system_name text
);
CREATE TABLE ranking_criteria (
  id integer PRIMARY KEY,
  ranking_system_id integer,
  criteria_name text
);
CREATE TABLE university (
  id integer PRIMARY KEY,
  country_id integer,
  university_name text
);
CREATE TABLE university_ranking_year (
  university_id integer,
  ranking_criteria_id integer,
  year integer,
  score integer
);
CREATE TABLE university_year (
  university_id integer,
  year integer,
  num_students integer,
  student_staff_ratio real,
  pct_international_students integer,
  pct_female_students integer
);
-- foreign keys: ranking_criteria.ranking_system_id -> ranking_system.id; university.country_id -> country.id; university_ranking_year.university_id -> university.id; university_ranking_year.ranking_criteria_id -> ranking_criteria.id; university_year.university_id -> university.id

Hint: in 2011 refers to year 2011; student staff ratio of over 15 refers to student_staff_ratio > 15; ID of the university refers to university_id

Question: Please list the IDs of the universities with a student staff ratio of over 15 in 2011.

assistant: SELECT university_id FROM university_year WHERE year = 2011 AND student_staff_ratio > 15