Table: tv_episode_data_40
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_millions

Question: Who were the authors  of episode having production code 3t7573?
SQL: SELECT "written_by" FROM tv_episode_data_40 WHERE "production_code" = '3T7573'

Question: How many episodes had a viewership of 2.65 million?
SQL: SELECT COUNT("no_in_season") FROM tv_episode_data_40 WHERE "u_s_viewers_millions" = '2.65'

Question: Who were the director/s of episodes written by Mike Daniels?
SQL: SELECT "directed_by" FROM tv_episode_data_40 WHERE "written_by" = 'Mike Daniels'