Table: tv_episode_data_4
Columns: series
season
title
directed_by
written_by
original_air_date

Question: What is the name of Season #15?
SQL: SELECT "title" FROM tv_episode_data_4 WHERE "season" = 15

Question: What is the series number for Season #18?
SQL: SELECT MIN("series") FROM tv_episode_data_4 WHERE "season" = 18

Question: What was the first series in this list that Jack Orman wrote?
SQL: SELECT MIN("series") FROM tv_episode_data_4 WHERE "written_by" = 'Jack Orman'

Question: What date did the episode called "Responsible Parties" air on?
SQL: SELECT "original_air_date" FROM tv_episode_data_4 WHERE "title" = '"Responsible Parties"'

Question: What is the name of the episode that Richard Thorpe directed?
SQL: SELECT "title" FROM tv_episode_data_4 WHERE "directed_by" = 'Richard Thorpe'