What is the total number of tweets sent by male users on Mondays?
male user refers to Gender = 'Male; 'Monday' is the Weekday; total number of tweet refers to Count (TweetID)
SELECT COUNT(DISTINCT T1.TweetID) FROM twitter AS T1 INNER JOIN user AS T2 ON T1.UserID = T2.UserID WHERE T2.Gender = 'Male' AND T1.Weekday = 'Monday'
CREATE TABLE location
(
    LocationID INTEGER
        constraint location_pk
            primary key,
    Country    TEXT,
    State      TEXT,
    StateCode  TEXT,
    City       TEXT
);
CREATE TABLE user
(
    UserID TEXT
        constraint user_pk
            primary key,
    Gender TEXT
);
CREATE TABLE twitter
(
    TweetID         TEXT
            primary key,
    Weekday         TEXT,
    Hour         INTEGER,
    Day          INTEGER,
    Lang         TEXT,
    IsReshare    TEXT,
    Reach        INTEGER,
    RetweetCount INTEGER,
    Likes        INTEGER,
    Klout        INTEGER,
    Sentiment    REAL,
    "text"         TEXT,
    LocationID   INTEGER,
    UserID       TEXT,
    foreign key (LocationID) references location(LocationID),
    foreign key (UserID) references user(UserID)
);
