What is the number of inhabitants of male customers ages from 20 to 30 years old who are farming or fishing?
male customers ages from 20 to 30 years old refer to SEX = 'Male' where age BETWEEN 20 AND 30; farming or fishing refers to OCCUPATION; number of inhabitants refers to INHABITANTS_K;
SELECT T2.INHABITANTS_K FROM Customers AS T1 INNER JOIN Demog AS T2 ON T1.GEOID = T2.GEOID WHERE T1.OCCUPATION = 'Farming-fishing' AND T1.SEX = 'Male' AND T1.age >= 20 AND T1.age <= 30
CREATE TABLE Demog
(
    GEOID         INTEGER
        constraint Demog_pk
            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
        constraint mailings3_pk
            primary key,
    REF_DATE DATETIME,
    RESPONSE TEXT
);
CREATE TABLE IF NOT EXISTS "Customers"
(
    ID             INTEGER
        constraint Customers_pk
            primary key,
    SEX            TEXT,
    MARITAL_STATUS TEXT,
    GEOID          INTEGER
        constraint Customers_Demog_GEOID_fk
            references Demog,
    EDUCATIONNUM   INTEGER,
    OCCUPATION     TEXT,
    age            INTEGER
);
CREATE TABLE IF NOT EXISTS "Mailings1_2"
(
    REFID    INTEGER
        constraint Mailings1_2_pk
            primary key
        constraint Mailings1_2_Customers_ID_fk
            references Customers,
    REF_DATE DATETIME,
    RESPONSE TEXT
);
CREATE TABLE IF NOT EXISTS "Sales"
(
    EVENTID    INTEGER
        constraint Sales_pk
            primary key,
    REFID      INTEGER
        references Customers,
    EVENT_DATE DATETIME,
    AMOUNT     REAL
);
