Table: episodes_table_12
Columns: total
episode
title
directed_by
written_by
original_air_date

Question: How many different episode numbers does the episode written by Sheri Elwood and directed by Jim Allodi have?
SQL: SELECT COUNT("total") FROM episodes_table_12 WHERE "written_by" = 'Sheri Elwood' AND "directed_by" = 'Jim Allodi'

Question: How many different episode numbers are there for the episodes directed by Sheri Elwood?
SQL: SELECT COUNT("total") FROM episodes_table_12 WHERE "directed_by" = 'Sheri Elwood'