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_27462209_1 (written_by VARCHAR, prod_code VARCHAR)

### Question ###
Name who wrote the production code 322

### Accurate SQL ###

SELECT written_by FROM table_27462209_1 WHERE prod_code = 322