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_17257687_1 ( air_date VARCHAR, event_2 VARCHAR )

### Question ###
On what date was the episode aired where event 2 was Hang Tough?

### Accurate SQL ###

SELECT air_date FROM table_17257687_1 WHERE event_2 = "Hang Tough"