Table: tv_episode_data_25
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
u_s_viewers_millions

Question: Who directed the episode entitled "Shotgun"?
SQL: SELECT "directed_by" FROM tv_episode_data_25 WHERE "title" = '"Shotgun"'

Question: What was the airdate of episode number 18?
SQL: SELECT "original_air_date" FROM tv_episode_data_25 WHERE "no_in_season" = 18

Question: What was the title of the episode having exactly 9.64 million US viewers?
SQL: SELECT "title" FROM tv_episode_data_25 WHERE "u_s_viewers_millions" = '9.64'