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_12175755_1 (theme VARCHAR, song_choice VARCHAR)

### Question ###
What is the song choice when the theme is not aired?

### Accurate SQL ###

SELECT theme FROM table_12175755_1 WHERE song_choice = "Not Aired"