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:
PRAGMA foreign_keys = ON;

CREATE TABLE "driver" (
"Driver_ID" int,
"Name" text,
"Party" text,
"Home_city" text,
"Age" int,
PRIMARY KEY ("Driver_ID")
);

CREATE TABLE "school" (
"School_ID" int,
"Grade" text,
"School" text,
"Location" text,
"Type" text,
PRIMARY KEY ("School_ID")
);

Question: Show the name, home city, and age for all drivers.

assistant: SELECT name , home_city , age FROM driver
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 customer (
  c_custkey integer PRIMARY KEY,
  c_mktsegment text,
  c_nationkey integer,
  c_name text,
  c_address text,
  c_phone text,
  c_acctbal real,
  c_comment text
);
CREATE TABLE lineitem (
  l_shipdate date,
  l_orderkey integer PRIMARY KEY,
  l_discount real,
  l_extendedprice real,
  l_suppkey integer,
  l_quantity integer,
  l_returnflag text,
  l_partkey integer,
  l_linestatus text,
  l_tax real,
  l_commitdate date,
  l_receiptdate date,
  l_shipmode text,
  l_linenumber integer PRIMARY KEY,
  l_shipinstruct text,
  l_comment text
);
CREATE TABLE nation (
  n_nationkey integer PRIMARY KEY,
  n_name text,
  n_regionkey integer,
  n_comment text
);
CREATE TABLE orders (
  o_orderdate date,
  o_orderkey integer PRIMARY KEY,
  o_custkey integer,
  o_orderpriority text,
  o_shippriority integer,
  o_clerk text,
  o_orderstatus text,
  o_totalprice real,
  o_comment text
);
CREATE TABLE part (
  p_partkey integer PRIMARY KEY,
  p_type text,
  p_size integer,
  p_brand text,
  p_name text,
  p_container text,
  p_mfgr text,
  p_retailprice real,
  p_comment text
);
CREATE TABLE partsupp (
  ps_partkey integer PRIMARY KEY,
  ps_suppkey integer PRIMARY KEY,
  ps_supplycost real,
  ps_availqty integer,
  ps_comment text
);
CREATE TABLE region (
  r_regionkey integer PRIMARY KEY,
  r_name text,
  r_comment text
);
CREATE TABLE supplier (
  s_suppkey integer PRIMARY KEY,
  s_nationkey integer,
  s_comment text,
  s_name text,
  s_address text,
  s_phone text,
  s_acctbal real
);
-- foreign keys: customer.c_nationkey -> nation.n_nationkey; lineitem.l_partkey -> partsupp.ps_partkey; lineitem.l_suppkey -> partsupp.ps_suppkey; lineitem.l_orderkey -> orders.o_orderkey; nation.n_regionkey -> region.r_regionkey; orders.o_custkey -> customer.c_custkey; partsupp.ps_suppkey -> supplier.s_suppkey; partsupp.ps_partkey -> part.p_partkey; supplier.s_nationkey -> nation.n_nationkey

Hint: "Customer#000000055" is the name of the customer which refers to c_name; nationality is the state of belonging to a particular country, therefore nationality refers to n_name;

Question: What is the nationality of "Customer#000000055"?

assistant: SELECT T2.n_name FROM customer AS T1 INNER JOIN nation AS T2 ON T1.c_name = 'Customer#000000055'
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 address_status (
  status_id integer PRIMARY KEY,
  address_status text
);
CREATE TABLE author (
  author_id integer PRIMARY KEY,
  author_name text
);
CREATE TABLE book_language (
  language_id integer PRIMARY KEY,
  language_code text,
  language_name text
);
CREATE TABLE country (
  country_id integer PRIMARY KEY,
  country_name text
);
CREATE TABLE address (
  address_id integer PRIMARY KEY,
  street_number text,
  street_name text,
  city text,
  country_id integer
);
CREATE TABLE customer (
  customer_id integer PRIMARY KEY,
  first_name text,
  last_name text,
  email text
);
CREATE TABLE customer_address (
  customer_id integer PRIMARY KEY,
  address_id integer PRIMARY KEY,
  status_id integer
);
CREATE TABLE order_status (
  status_id integer PRIMARY KEY,
  status_value text
);
CREATE TABLE publisher (
  publisher_id integer PRIMARY KEY,
  publisher_name text
);
CREATE TABLE book (
  book_id integer PRIMARY KEY,
  title text,
  isbn13 text,
  language_id integer,
  num_pages integer,
  publication_date date,
  publisher_id integer
);
CREATE TABLE book_author (
  book_id integer PRIMARY KEY,
  author_id integer PRIMARY KEY
);
CREATE TABLE shipping_method (
  method_id integer PRIMARY KEY,
  method_name text,
  cost real
);
CREATE TABLE cust_order (
  order_id integer PRIMARY KEY,
  order_date datetime,
  customer_id integer,
  shipping_method_id integer,
  dest_address_id integer
);
CREATE TABLE order_history (
  history_id integer PRIMARY KEY,
  order_id integer,
  status_id integer,
  status_date datetime
);
CREATE TABLE order_line (
  line_id integer PRIMARY KEY,
  order_id integer,
  book_id integer,
  price real
);
-- foreign keys: address.country_id -> country.country_id; customer_address.customer_id -> customer.customer_id; customer_address.address_id -> address.address_id; book.publisher_id -> publisher.publisher_id; book.language_id -> book_language.language_id; book_author.book_id -> book.book_id; book_author.author_id -> author.author_id

Hint: full name refers to first_name, last_name; 'Baiyin' is the city

Question: What is the full name of the customers who live in Baiyin city?

assistant: SELECT T3.first_name, T3.last_name FROM address AS T1 INNER JOIN customer_address AS T2 ON T1.address_id = T2.address_id INNER JOIN customer AS T3 ON T3.customer_id = T2.customer_id WHERE T1.city = 'Baiyin'
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 bank (
branch_ID int PRIMARY KEY,
bname varchar(20),
no_of_customers int,
city varchar(10),
state varchar(20));


CREATE TABLE customer (
cust_ID varchar(3) PRIMARY KEY,
cust_name varchar(20),
acc_type char(1),
acc_bal int,
no_of_loans int,
credit_score int,
branch_ID int,
state varchar(20),
FOREIGN KEY(branch_ID) REFERENCES bank(branch_ID));


CREATE TABLE loan (
loan_ID varchar(3) PRIMARY KEY,
loan_type varchar(15),
cust_ID varchar(3),
branch_ID varchar(3),
amount int,
FOREIGN KEY(branch_ID) REFERENCES bank(branch_ID),
FOREIGN KEY(Cust_ID) REFERENCES customer(Cust_ID));

Question: Find the number of different cities which banks are located at.

assistant: SELECT count(DISTINCT city) FROM bank
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 playstore (
  App text,
  Category text,
  Rating real,
  Reviews integer,
  Size text,
  Installs text,
  Type text,
  Price text,
  Content Rating text,
  Genres text
);
CREATE TABLE user_reviews (
  App text,
  Translated_Review text,
  Sentiment text,
  Sentiment_Polarity text,
  Sentiment_Subjectivity text
);
-- foreign keys: user_reviews.App -> playstore.App

Hint: highest amount of -1 sentiment polarity score refers to MAX(Count(Sentiment_Polarity = 1.0))

Question: What is the name and category of the app with the highest amount of -1 sentiment polarity score?

assistant: SELECT DISTINCT T1.App, T1.Category FROM playstore AS T1 INNER JOIN user_reviews AS T2 ON T1.App = T2.App WHERE T2.Sentiment_Polarity = '-1.0'
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 Faculty (
       FacID 	       INTEGER PRIMARY KEY,
       Lname		VARCHAR(15),
       Fname		VARCHAR(15),
       Rank		VARCHAR(15),
       Sex		VARCHAR(1),
       Phone		INTEGER,
       Room		VARCHAR(5),
       Building		VARCHAR(13)
);

create table Department (
       DNO   		INTEGER PRIMARY KEY,
       Division		VARCHAR(2),
       DName		VARCHAR(25),
       Room		VARCHAR(5),
       Building		VARCHAR(13),
       DPhone		INTEGER
);

create table Member_of (
       FacID 	       INTEGER,
       DNO	       INTEGER,
       Appt_Type       VARCHAR(15),
       FOREIGN KEY(FacID) REFERENCES Faculty(FacID),
       FOREIGN KEY(DNO) REFERENCES Department(DNO)
);

create table Course (
       CID   	    	VARCHAR(7) PRIMARY KEY,
       CName		VARCHAR(40),
       Credits		INTEGER,
       Instructor	INTEGER,
       Days		VARCHAR(5),
       Hours		VARCHAR(11),
       DNO		INTEGER,
       FOREIGN KEY(Instructor) REFERENCES Faculty(FacID),
       FOREIGN KEY(DNO) REFERENCES Department(DNO)
);

create table Minor_in (
       StuID 	      INTEGER,
       DNO		INTEGER,
       FOREIGN KEY(StuID) REFERENCES Student(StuID),
       FOREIGN KEY(DNO) REFERENCES Department(DNO)
);

create table Enrolled_in (
       StuID 		 INTEGER,
       CID		VARCHAR(7),
       Grade		VARCHAR(2),
       FOREIGN KEY(StuID) REFERENCES Student(StuID),
       FOREIGN KEY(CID) REFERENCES Course(CID),
       FOREIGN KEY(Grade) REFERENCES Gradeconversion(lettergrade)
);

create table Gradeconversion (
       lettergrade	     VARCHAR(2) PRIMARY KEY,
       gradepoint	     FLOAT
);

Question: Find the department name and room of the course INTRODUCTION TO COMPUTER SCIENCE.

assistant: SELECT T2.Dname , T2.Room FROM COURSE AS T1 JOIN DEPARTMENT AS T2 ON T1.DNO = T2.DNO WHERE T1.CName = "INTRODUCTION TO COMPUTER SCIENCE"
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 Ref_Payment_Methods (
payment_method_code CHAR(10) NOT NULL,
payment_method_description VARCHAR(80),
PRIMARY KEY (payment_method_code),
UNIQUE (payment_method_code)
);

Question: Count the number of customers recorded.

assistant: SELECT count(*) FROM CUSTOMERS
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 "mountain" (
"Mountain_ID" int,
"Name" text,
"Height" real,
"Prominence" real,
"Range" text,
"Country" text,
PRIMARY KEY ("Mountain_ID")
);

CREATE TABLE "climber" (
"Climber_ID" int,
"Name" text,
"Country" text,
"Time" text,
"Points" real,
"Mountain_ID" int,
PRIMARY KEY ("Climber_ID"),
FOREIGN KEY ("Mountain_ID") REFERENCES "mountain"("Mountain_ID")
);

Question: Which countries have more than one mountain?

assistant: SELECT Country FROM mountain GROUP BY Country 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:
-- 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: What is the name of each aircraft and how many flights does each one complete?

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 `Accounts` (
`account_id` INTEGER PRIMARY KEY,
`customer_id` INTEGER NOT NULL,
`account_name` VARCHAR(50),
`other_account_details` VARCHAR(255)
);
CREATE TABLE `Customers` (
`customer_id` INTEGER PRIMARY KEY,
`customer_first_name` VARCHAR(20),
`customer_last_name` VARCHAR(20),
`customer_address` VARCHAR(255),
`customer_phone` VARCHAR(255),
`customer_email` VARCHAR(255),
`other_customer_details` VARCHAR(255)
);
CREATE TABLE `Customers_Cards` (
`card_id` INTEGER PRIMARY KEY,
`customer_id` INTEGER NOT NULL,
`card_type_code` VARCHAR(15) NOT NULL,
`card_number` VARCHAR(80),
`date_valid_from` DATETIME,
`date_valid_to` DATETIME,
`other_card_details` VARCHAR(255)
);
CREATE TABLE `Financial_Transactions` (
`transaction_id` INTEGER NOT NULL ,
`previous_transaction_id` INTEGER,
`account_id` INTEGER NOT NULL,
`card_id` INTEGER NOT NULL,
`transaction_type` VARCHAR(15) NOT NULL,
`transaction_date` DATETIME,
`transaction_amount` DOUBLE NULL,
`transaction_comment` VARCHAR(255),
`other_transaction_details` VARCHAR(255),
FOREIGN KEY (`card_id` ) REFERENCES `Customers_Cards`(`card_id` ),
FOREIGN KEY (`account_id` ) REFERENCES `Accounts`(`account_id` )
);

Question: Give the full name and customer id of the customer with the fewest accounts.

assistant: SELECT T2.customer_first_name , T2.customer_last_name , T1.customer_id FROM Accounts AS T1 JOIN Customers AS T2 ON T1.customer_id = T2.customer_id GROUP BY T1.customer_id ORDER BY count(*) ASC 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 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; the most students refers to MAX(num_students); which university refers to university_name;

Question: Which university had the most students in 2011? Show its name.

assistant: SELECT T2.university_name FROM university_year AS T1 INNER JOIN university AS T2 ON T1.university_id = T2.id WHERE T1.year = 2011 ORDER BY T1.num_students 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 Air Carriers (
  Code integer PRIMARY KEY,
  Description text
);
CREATE TABLE Airports (
  Code text PRIMARY KEY,
  Description text
);
CREATE TABLE Airlines (
  FL_DATE text,
  OP_CARRIER_AIRLINE_ID integer,
  TAIL_NUM text,
  OP_CARRIER_FL_NUM integer,
  ORIGIN_AIRPORT_ID integer,
  ORIGIN_AIRPORT_SEQ_ID integer,
  ORIGIN_CITY_MARKET_ID integer,
  ORIGIN text,
  DEST_AIRPORT_ID integer,
  DEST_AIRPORT_SEQ_ID integer,
  DEST_CITY_MARKET_ID integer,
  DEST text,
  CRS_DEP_TIME integer,
  DEP_TIME integer,
  DEP_DELAY integer,
  DEP_DELAY_NEW integer,
  ARR_TIME integer,
  ARR_DELAY integer,
  ARR_DELAY_NEW integer,
  CANCELLED integer,
  CANCELLATION_CODE text,
  CRS_ELAPSED_TIME integer,
  ACTUAL_ELAPSED_TIME integer,
  CARRIER_DELAY integer,
  WEATHER_DELAY integer,
  NAS_DELAY integer,
  SECURITY_DELAY integer,
  LATE_AIRCRAFT_DELAY integer
);
-- foreign keys: Airlines.OP_CARRIER_AIRLINE_ID -> Air Carriers.Code; Airlines.DEST -> Airports.Code; Airlines.ORIGIN -> Airports.Code

Hint: departure airports refers ORIGIN; on 2018/8/1 refers to FL_DATE = '2018/8/1'; delayed refers to DEP_DELAY > 0;

Question: Please list the departure airports of the flights on 2018/8/1 that were delayed.

assistant: SELECT T1.Description FROM Airports AS T1 INNER JOIN Airlines AS T2 ON T1.Code = T2.ORIGIN WHERE T2.FL_DATE = '2018/8/1' AND T2.DEP_DELAY > 0 GROUP BY T1.Description
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 Demog (
  GEOID integer PRIMARY KEY,
  INHABITANTS_K real,
  INCOME_K real,
  A_VAR1 real,
  A_VAR2 real,
  A_VAR3 real,
  A_VAR4 real,
  A_VAR5 real,
  A_VAR6 real,
  A_VAR7 real,
  A_VAR8 real,
  A_VAR9 real,
  A_VAR10 real,
  A_VAR11 real,
  A_VAR12 real,
  A_VAR13 real,
  A_VAR14 real,
  A_VAR15 real,
  A_VAR16 real,
  A_VAR17 real,
  A_VAR18 real
);
CREATE TABLE mailings3 (
  REFID integer PRIMARY KEY,
  REF_DATE datetime,
  RESPONSE text
);
CREATE TABLE Customers (
  ID integer PRIMARY KEY,
  SEX text,
  MARITAL_STATUS text,
  GEOID integer,
  EDUCATIONNUM integer,
  OCCUPATION text,
  age integer
);
CREATE TABLE Mailings1_2 (
  REFID integer PRIMARY KEY,
  REF_DATE datetime,
  RESPONSE text
);
CREATE TABLE Sales (
  EVENTID integer PRIMARY KEY,
  REFID integer,
  EVENT_DATE datetime,
  AMOUNT real
);

Hint: RESPONSE = 'true'; SEX = 'Male'; MARITAL_STATUS = 'Divorced';

Question: Of the first 60,000 customers who sent a true response to the incentive mailing sent by the marketing department, how many of them are divorced males?

assistant: SELECT COUNT(T1.ID) FROM Customers AS T1 INNER JOIN Mailings1_2 AS T2 ON T1.ID = T2.REFID WHERE T1.SEX = 'Male' AND T1.MARITAL_STATUS = 'Divorced' AND T2.RESPONSE = 'true'
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 Method (
  Id integer PRIMARY KEY,
  Name text,
  FullComment text,
  Summary text,
  ApiCalls text,
  CommentIsXml integer,
  SampledAt integer,
  SolutionId integer,
  Lang text,
  NameTokenized text
);
CREATE TABLE MethodParameter (
  Id integer PRIMARY KEY,
  MethodId text,
  Type text,
  Name text
);
CREATE TABLE Repo (
  Id integer PRIMARY KEY,
  Url text,
  Stars integer,
  Forks integer,
  Watchers integer,
  ProcessedTime integer
);
CREATE TABLE Solution (
  Id integer PRIMARY KEY,
  RepoId integer,
  Path text,
  ProcessedTime integer,
  WasCompiled integer
);

Hint: solution path refers to Path; tokenized name refers to NameTokenized; NameTokenized = 'matrix multiply';

Question: What are the solution path of the tokenized name "matrix multiply"?

assistant: SELECT DISTINCT T1.Path FROM Solution AS T1 INNER JOIN Method AS T2 ON T1.Id = T2.SolutionId WHERE T2.NameTokenized = 'matrix multiply'
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 `Ref_Characteristic_Types` (
`characteristic_type_code` VARCHAR(15) PRIMARY KEY,
`characteristic_type_description` VARCHAR(80)
);
CREATE TABLE `Ref_Colors` (
`color_code` VARCHAR(15) PRIMARY KEY,
`color_description` VARCHAR(80)
);
CREATE TABLE `Ref_Product_Categories` (
`product_category_code` VARCHAR(15) PRIMARY KEY,
`product_category_description` VARCHAR(80),
`unit_of_measure` VARCHAR(20)
);

Question: How many products are there?

assistant: SELECT count(*) FROM products
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 "county" (
"County_Id" int,
"County_name" text,
"Population" real,
"Zip_code" text,
PRIMARY KEY ("County_Id")
);

Question: Who is the delegate of district 1 in the elections?

assistant: SELECT Delegate FROM election WHERE District = 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 Question (
  questiontext text,
  questionid integer PRIMARY KEY
);
CREATE TABLE Survey (
  SurveyID integer PRIMARY KEY,
  Description text
);
CREATE TABLE Answer (
  AnswerText text,
  SurveyID integer,
  UserID integer PRIMARY KEY,
  QuestionID integer PRIMARY KEY
);

Hint: From 2016 to 2019 refer to SurveyID 2016 BETWEEN 2019; Question 13 refer to QuestionID

Question: From 2016 to 2019, how many users each year were asked the question 13?

assistant: SELECT SurveyID, COUNT(UserID) FROM Answer WHERE QuestionID = 13 AND SurveyID BETWEEN 2016 AND 2019 GROUP BY SurveyID
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 Author (
  Id integer PRIMARY KEY,
  Name text,
  Affiliation text
);
CREATE TABLE Conference (
  Id integer PRIMARY KEY,
  ShortName text,
  FullName text,
  HomePage text
);
CREATE TABLE Journal (
  Id integer PRIMARY KEY,
  ShortName text,
  FullName text,
  HomePage text
);
CREATE TABLE Paper (
  Id integer PRIMARY KEY,
  Title text,
  Year integer,
  ConferenceId integer,
  JournalId integer,
  Keyword text
);
CREATE TABLE PaperAuthor (
  PaperId integer,
  AuthorId integer,
  Name text,
  Affiliation text
);
-- foreign keys: Paper.JournalId -> Journal.Id; Paper.ConferenceId -> Conference.Id; PaperAuthor.AuthorId -> Author.Id; PaperAuthor.PaperId -> Paper.Id

Hint: "Molecular Brain" is the FullName of journal; year from 2008 to 2011 refers to Year BETWEEN 2008 AND 2011; average = Divide (Count(Id),4)

Question: What is the average number of papers published in the journal "Molecular Brain" every year from 2008 to 2011?

assistant: SELECT CAST(COUNT(T2.Id) AS REAL) / COUNT(DISTINCT T2.Year) FROM Journal AS T1 INNER JOIN Paper AS T2 ON T1.Id = T2.JournalId WHERE T1.FullName = 'Molecular Brain' AND T2.Year BETWEEN 2008 AND 2011