Table: series_episodes_2
Columns: series
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_million

Question: Who wrote the episode that 2.93 million viewers?
SQL: SELECT "written_by" FROM series_episodes_2 WHERE "u_s_viewers_million" = '2.93'

Question: What series number is the episode with production code bdf101?
SQL: SELECT MAX("series") FROM series_episodes_2 WHERE "production_code" = 'BDF101'

Question: What series number is the episode entitled "Booty"?
SQL: SELECT MAX("series") FROM series_episodes_2 WHERE "title" = '"Booty"'

Question: What is the series number for the episode with production code bdf109?
SQL: SELECT "series" FROM series_episodes_2 WHERE "production_code" = 'BDF109'