Table: tv_episode_data_25
Columns: no_in_series
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_million

Question: What is the title of the episode Alex Reid directed?
SQL: SELECT "title" FROM tv_episode_data_25 WHERE "directed_by" = 'Alex Reid'

Question: Who wrote the episode that got 5.95 million U.S. viewers?
SQL: SELECT "written_by" FROM tv_episode_data_25 WHERE "u_s_viewers_million" = '5.95'

Question: How many million U.S. viewers saw the episode with production code 3X5710?
SQL: SELECT "u_s_viewers_million" FROM tv_episode_data_25 WHERE "production_code" = '3X5710'

Question: How many directors got 6.79 million U.S. viewers from their episodes?
SQL: SELECT COUNT("directed_by") FROM tv_episode_data_25 WHERE "u_s_viewers_million" = '6.79'