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_name_39 ( air_date VARCHAR, winner VARCHAR, challenge VARCHAR )

### Question ###
What air date has a red winner and an emergency braking challenge?

### Accurate SQL ###

SELECT air_date FROM table_name_39 WHERE winner = "red" AND challenge = "emergency braking"