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_26565936_2 ( original_air_date VARCHAR, us_viewers__millions_ VARCHAR )

### Question ###
What was the original air date for the episode with 13.92 million us viewers?

### Accurate SQL ###

SELECT original_air_date FROM table_26565936_2 WHERE us_viewers__millions_ = "13.92"