in what date was aired the first broacast of the episode 1x02
CREATE TABLE table_1684 (
    "Episode" text,
    "First broadcast" text,
    "Graemes guest" text,
    "Jeremys guest" text,
    "Votes (%)" text
)
SELECT "First broadcast" FROM table_1684 WHERE "Episode" = '1x02'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: in what date was aired the first broacast of the episode 1x02 ### Input: CREATE TABLE table_1684 (
    "Episode" text,
    "First broadcast" text,
    "Graemes guest" text,
    "Jeremys guest" text,
    "Votes (%)" text
) ### Response: SELECT "First broadcast" FROM table_1684 WHERE "Episode" = '1x02'