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_25810656_3 (no_in_series VARCHAR, production_code VARCHAR)

### Question ###
Name the number in series for production code being 204

### Accurate SQL ###

SELECT no_in_series FROM table_25810656_3 WHERE production_code = 204