Translate the following question to SQL: Find the names of the channels that are broadcast in the morning.

Schema: CREATE TABLE program (
    Program_ID INT   PRIMARY KEY,
    Name TEXT,
    Origin TEXT,
    Launch REAL,
    Owner TEXT,
    UNIQUE (Program_ID)
);

CREATE TABLE channel (
    Channel_ID INT   PRIMARY KEY,
    Name TEXT,
    Owner TEXT,
    Share_in_percent REAL,
    Rating_in_percent REAL,
    UNIQUE (Channel_ID)
);

CREATE TABLE broadcast (
    Channel_ID INT   PRIMARY KEY,
    Program_ID INT   PRIMARY KEY,
    Time_of_day TEXT,
    PRIMARY KEY (Channel_ID, Program_ID),
    UNIQUE (Channel_ID, Program_ID),
    FOREIGN KEY (Program_ID) REFERENCES program(Program_ID),
    FOREIGN KEY (Channel_ID) REFERENCES channel(Channel_ID)
);

CREATE TABLE broadcast_share (
    Channel_ID INT   PRIMARY KEY,
    Program_ID INT   PRIMARY KEY,
    Date TEXT,
    Share_in_percent REAL,
    PRIMARY KEY (Channel_ID, Program_ID),
    UNIQUE (Channel_ID, Program_ID),
    FOREIGN KEY (Program_ID) REFERENCES program(Program_ID),
    FOREIGN KEY (Channel_ID) REFERENCES channel(Channel_ID)
);
user
SELECT t1.name FROM channel AS t1 JOIN broadcast AS t2 ON t1.channel_id  =  t2.channel_id WHERE t2.time_of_day  =  'Morning'
assistant