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_25691838_12 ( production_code VARCHAR, original_airdate VARCHAR )

### Question ###
What is the production code of the episode with an original airdate of december 01?

### Accurate SQL ###

SELECT production_code FROM table_25691838_12 WHERE original_airdate = "December 01"