Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_17413485_1 (first_broadcast VARCHAR, episode VARCHAR)

### Question ###
in what date was aired the first broacast of the episode 1x02

### Accurate SQL ###

SELECT first_broadcast FROM table_17413485_1 WHERE episode = "1x02"