Table: tv_episode_data_94
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
u_s_viewers_millions

Question: What is the episode title that had a US viewership of 8.16?
SQL: SELECT "title" FROM tv_episode_data_94 WHERE "u_s_viewers_millions" = '8.16'

Question: What is the number in the series written by Steve Blackman and had a title of "Worlds Apart"?
SQL: SELECT "no_in_series" FROM tv_episode_data_94 WHERE "written_by" = 'Steve Blackman' AND "title" = '"Worlds Apart"'

Question: What is the number in the series that was titled "Past Tense"?
SQL: SELECT "no_in_series" FROM tv_episode_data_94 WHERE "title" = '"Past Tense"'

Question: Who wrote the episodes that had a viewership of 7.14?
SQL: SELECT "written_by" FROM tv_episode_data_94 WHERE "u_s_viewers_millions" = '7.14'