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_27622417_1 (no_in_series VARCHAR, prod_code VARCHAR)

### Question ###
what is the number of the episode in the series whose production code is 405?

### Accurate SQL ###

SELECT no_in_series FROM table_27622417_1 WHERE prod_code = "405"