Table: episodes_table_10
Columns: episode
season_episode
title
directed_by
written_by
original_air_date
prod_code

Question: What is the production code for episode #78?
SQL: SELECT "prod_code" FROM episodes_table_10 WHERE "episode" = '78'

Question: What is the number of titles written by Charleen Easton?
SQL: SELECT COUNT("title") FROM episodes_table_10 WHERE "written_by" = 'Charleen Easton'

Question: What is the number of production codes for episode #73?
SQL: SELECT COUNT("prod_code") FROM episodes_table_10 WHERE "episode" = '73'

Question: What is the number of air dates titled "The Big Job"?'
SQL: SELECT COUNT("original_air_date") FROM episodes_table_10 WHERE "title" = '"The Big Job"'