Dludora/DAIL-BIRD huggingface dataset:
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: Among the clients born between 1980 and 2000, list the name of male clients who complained through referral. born between 1980 and 2000 refers to year BETWEEN 1980 AND 2000; name = first, middle, last; male refers to sex = 'Male'; complained through refers to "Submitted via"; */
SELECT 
SELECT T1.first, T1.middle, T1.last FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T1.year BETWEEN 1980 AND 2000 AND T1.sex = 'Male' AND T2.`Submitted via` = 'Referral'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: What is the medium through which most complaints are registered in Florida? medium refers to "Submitted via"; most complaints refers to MAX(Complaint ID); Florida refers to state = 'florida'; */
SELECT 
SELECT T3.`Submitted via` FROM callcenterlogs AS T1 INNER JOIN client AS T2 ON T1.`rand client` = T2.client_id INNER JOIN events AS T3 ON T1.`Complaint ID` = T3.`Complaint ID` WHERE T2.state = 'FL' GROUP BY T1.`Complaint ID` ORDER BY COUNT(T1.`Complaint ID`) DESC LIMIT 1
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: Calculate the average number of complaints received from New Bedford each year which are closed with explanation. average = AVG("Complaint ID"); New Bedford refers to city = 'New Bedford'; closed with explanation refers to Company response to consumer = 'Closed with explanation'; */
SELECT 
SELECT STRFTIME('%Y', T3.`Date received`) , CAST(SUM(CASE WHEN T3.`Company response to consumer` = 'Closed with explanation' THEN 1 ELSE 0 END) AS REAL) / COUNT(T3.`Complaint ID`) AS average FROM callcenterlogs AS T1 INNER JOIN client AS T2 ON T1.`rand client` = T2.client_id INNER JOIN events AS T3 ON T1.`Complaint ID` = T3.`Complaint ID` WHERE T2.city = 'New Bedford' GROUP BY strftime('%Y', T3.`Date received`)
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: What percentage of consumers from Houston disputed complaints? percentage = MULTIPLY(DIVIDE(SUM("Consumer disputed?" = 'Yes' AND city = 'Houston'), COUNT(client_id)), 1.0); Houston refers to city = 'Houston'; */
SELECT 
SELECT CAST(SUM(CASE WHEN T2.`Consumer disputed?` = 'Yes' AND T1.city = 'Houston' THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(T1.client_id) FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: Find the number of service members who complained in Syracuse. service members refers to client.client_id; Syracuse refers to city = 'Syracuse'; */
SELECT 
SELECT COUNT(T1.client_id) FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T2.Tags = 'Servicemember' AND T1.city = 'Syracuse'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: Among the calls from California, what percentage are priority 1? California refers to state = 'California'; percentage = MULTIPLY(DIVIDE(SUM(priority = 1), COUNT("Complaint ID"), 1.0)); */
SELECT 
SELECT CAST(SUM(CASE WHEN T1.priority = 1 THEN 1 ELSE 0 END) AS REAL) * 100 / COUNT(T1.priority) FROM callcenterlogs AS T1 INNER JOIN client AS T2 ON T1.`rand client` = T2.client_id INNER JOIN district AS T3 ON T2.district_id = T3.district_id INNER JOIN state AS T4 ON T3.state_abbrev = T4.StateCode WHERE T4.State = 'California'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: Calculate the difference in the average age of elderly and middle-aged clients in the Northeast region. difference in the average = SUBTRACT(AVG(age BETWEEN 35 AND 55), AVG( age > 65)); elderly refers to age > 65; middle-aged refers to age BETWEEN 35 AND 55; */
SELECT 
SELECT (CAST(SUM(CASE WHEN T1.age BETWEEN 35 AND 55 THEN T1.age ELSE 0 END) AS REAL) / SUM(CASE WHEN T1.age BETWEEN 35 AND 55 THEN 1 ELSE 0 END)) - (CAST(SUM(CASE WHEN T1.age > 65 THEN T1.age ELSE 0 END) AS REAL) / SUM(CASE WHEN T1.age > 65 THEN 1 ELSE 0 END)) AS difference FROM client AS T1 INNER JOIN district AS T2 ON T1.district_id = T2.district_id INNER JOIN state AS T3 ON T2.state_abbrev = T3.StateCode WHERE T3.Region = 'Northeast'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: List by their ID number the 3 longest complaints. ID number refers to "Complaint ID"; longest complaints refers to MAX(ser_time); */
SELECT 
SELECT `Complaint ID` FROM callcenterlogs ORDER BY ser_time DESC LIMIT 3
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: How many clients have an email account other than gmail.com? email account other than gmail.com refers to email not like '%@gmail.com'; */
SELECT 
SELECT COUNT(email) FROM client WHERE email NOT LIKE '%@gmail.com'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: Identify by their ID all clients who did not give their consent permission. did not give their consent permission refers to Consumer consent provided is null, 'N/A', or empty; */
SELECT 
SELECT Client_ID FROM events WHERE `Consumer consent provided?` = 'N/A' OR 'Consumer consent provided?' IS NULL OR 'Consumer consent provided?' = ''
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: List by their ID the complaints received by the company on 25/09/2014 that took the longest. ID of the complaints refers to "Complaint ID"; on 25/09/2014 refers to "Date sent to company" = '2014-09-25'; took the longest = MAX(SUBTRACT("Date sent to company", "Date received")); */
SELECT 
SELECT `Complaint ID` FROM events WHERE strftime('%J', `Date sent to company`) - strftime('%J', `Date received`) = ( SELECT MAX(strftime('%J', `Date sent to company`) - strftime('%J', `Date received`)) FROM events WHERE `Date sent to company` = '2014-09-25' ) AND `Date sent to company` = '2014-09-25'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: List priority 2 complaints by date received. */
SELECT 
SELECT DISTINCT `Complaint ID` FROM callcenterlogs WHERE priority = 2 ORDER BY `Date received` DESC
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: How many complaints are not in process with an agent? not in process with an agent refers to outcome ! = 'AGENT'; */
SELECT 
SELECT COUNT(outcome) FROM callcenterlogs WHERE outcome != 'AGENT'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: How many Credit Card complaints did Sharon handle? Credit Card refers to Product = 'Credit Card'; Sharon refers to server = 'SHARON'; */
SELECT 
SELECT COUNT(T1.`Complaint ID`) FROM callcenterlogs AS T1 INNER JOIN events AS T2 ON T1.`Complaint ID` = T2.`Complaint ID` WHERE T2.Product = 'Credit card' AND T1.server = 'SHARON'
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: In which region have the most 1-star reviews been done? most 1-star reviews refers to MAX(COUNT(stars = 1)); */
SELECT 
SELECT T3.Region FROM reviews AS T1 INNER JOIN district AS T2 ON T1.district_id = T2.district_id INNER JOIN state AS T3 ON T2.state_abbrev = T3.StateCode WHERE T1.Stars = 1 GROUP BY T3.Region ORDER BY COUNT(T3.Region) DESC LIMIT 1
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: In what years were the clients who demanded more problems with Certificate of deposit born? more problems with Certificate refers to MAX(COUNT("Sub-product" = '(CD) Certificate of deposit')); */
SELECT 
SELECT T1.year FROM client AS T1 INNER JOIN events AS T2 ON T1.client_id = T2.Client_ID WHERE T2.`Sub-product` = '(CD) Certificate of deposit' GROUP BY T1.year ORDER BY COUNT(T1.year) DESC LIMIT 1
/* Given the following database schema: */
CREATE TABLE state
(
    StateCode TEXT
        constraint state_pk
            primary key,
    State     TEXT,
    Region    TEXT
)

CREATE TABLE callcenterlogs
(
    "Date received" DATE,
    "Complaint ID"  TEXT,
    "rand client"   TEXT,
    phonefinal      TEXT,
    "vru+line"      TEXT,
    call_id         INTEGER,
    priority        INTEGER,
    type            TEXT,
    outcome         TEXT,
    server          TEXT,
    ser_start       TEXT,
    ser_exit        TEXT,
    ser_time        TEXT,
    primary key ("Complaint ID"),
    foreign key ("rand client") references client(client_id)
)

CREATE TABLE client
(
    client_id   TEXT
            primary key,
    sex         TEXT,
    day         INTEGER,
    month       INTEGER,
    year        INTEGER,
    age         INTEGER,
    social      TEXT,
    first       TEXT,
    middle      TEXT,
    last        TEXT,
    phone       TEXT,
    email       TEXT,
    address_1   TEXT,
    address_2   TEXT,
    city        TEXT,
    state       TEXT,
    zipcode     INTEGER,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

CREATE TABLE district
(
    district_id  INTEGER
            primary key,
    city         TEXT,
    state_abbrev TEXT,
    division     TEXT,
    foreign key (state_abbrev) references state(StateCode)
)

CREATE TABLE events
(
    "Date received"                DATE,
    Product                        TEXT,
    "Sub-product"                  TEXT,
    Issue                          TEXT,
    "Sub-issue"                    TEXT,
    "Consumer complaint narrative" TEXT,
    Tags                           TEXT,
    "Consumer consent provided?"   TEXT,
    "Submitted via"                TEXT,
    "Date sent to company"         TEXT,
    "Company response to consumer" TEXT,
    "Timely response?"             TEXT,
    "Consumer disputed?"           TEXT,
    "Complaint ID"                 TEXT,
    Client_ID                      TEXT,
    primary key ("Complaint ID", Client_ID),
    foreign key ("Complaint ID") references callcenterlogs("Complaint ID"),
    foreign key (Client_ID) references client(client_id)
)

CREATE TABLE reviews
(
    "Date"        DATE
            primary key,
    Stars       INTEGER,
    Reviews     TEXT,
    Product     TEXT,
    district_id INTEGER,
    foreign key (district_id) references district(district_id)
)

/* Answer the following: How many cases of billing dispute issues occurred in the Mountain division? billing dispute refers to issue = 'Billing disputes'; */
SELECT 
SELECT COUNT(T1.Issue) FROM events AS T1 INNER JOIN client AS T2 ON T1.Client_ID = T2.client_id INNER JOIN district AS T3 ON T2.district_id = T3.district_id WHERE T1.Issue = 'Billing disputes' AND T3.division = 'Mountain'