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_12226390_4 ( no_in_season INTEGER, written_by VARCHAR )

### Question ###
What episode was written by Bobby Bell and Bill Lee?

### Accurate SQL ###

SELECT MAX(no_in_season) FROM table_12226390_4 WHERE written_by = "Bobby Bell and Bill Lee"