Table: tv_episode_data_49
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_millions

Question: Who wrote the episode with series number 45?
SQL: SELECT "written_by" FROM tv_episode_data_49 WHERE "no_in_series" = '45'

Question: How many millions of people in the US saw the episode with production code 214?
SQL: SELECT "u_s_viewers_millions" FROM tv_episode_data_49 WHERE "production_code" = '214'

Question: What's the title of the episode seen by 3.8 million people in the US?
SQL: SELECT "title" FROM tv_episode_data_49 WHERE "u_s_viewers_millions" = '3.8'

Question: Who wrote the episode titled "Mission gone bad" "Trapped in Paris"?
SQL: SELECT "written_by" FROM tv_episode_data_49 WHERE "title" = '"Mission Gone Bad" "Trapped in Paris"'

Question: On how many different dates did the episode with series number 35 air for the first time?
SQL: SELECT COUNT("original_air_date") FROM tv_episode_data_49 WHERE "no_in_series" = '35'