Table: tv_episode_stats_2
Columns: no_in_series
no_in_season
title
directed_by
written_by
u_s_viewers_million
original_air_date
production_code

Question: Who directed 414?
SQL: SELECT "directed_by" FROM tv_episode_stats_2 WHERE "production_code" = 414

Question: What is the series number of the episode that aired March 25, 2010?
SQL: SELECT MIN("no_in_series") FROM tv_episode_stats_2 WHERE "original_air_date" = 'March 25, 2010'

Question: Who wrote the episode that aired February 4, 2010?
SQL: SELECT "written_by" FROM tv_episode_stats_2 WHERE "original_air_date" = 'February 4, 2010'

Question: What was the air date where there were 5.72 million viewers?
SQL: SELECT "original_air_date" FROM tv_episode_stats_2 WHERE "u_s_viewers_million" = '5.72'

Question: What number was there 6.01 million u.s. drivers?
SQL: SELECT "no_in_season" FROM tv_episode_stats_2 WHERE "u_s_viewers_million" = '6.01'