Table: episodes_table_9
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code

Question: what's the minimum production code written by jay sommers & dick chevillat and al schwartz
SQL: SELECT MIN("production_code") FROM episodes_table_9 WHERE "written_by" = 'Jay Sommers & Dick Chevillat and Al Schwartz'

Question: what's the total number of title for production code 39
SQL: SELECT COUNT("title") FROM episodes_table_9 WHERE "production_code" = 39