Table: tv_episodes_8
Columns: no_in_series
no_in_season
title
directed_by
written_by
original_air_date
production_code
u_s_viewers_millions

Question: Which episode was watched by 11.75 million U.S. viewers?
SQL: SELECT "title" FROM tv_episodes_8 WHERE "u_s_viewers_millions" = '11.75'

Question: How many U.S. viewers, in millions, watched the episode that aired on November 13, 2007?
SQL: SELECT "u_s_viewers_millions" FROM tv_episodes_8 WHERE "original_air_date" = 'November 13, 2007'

Question: How many episodes originally aired on April 29, 2008?
SQL: SELECT COUNT("no_in_series") FROM tv_episodes_8 WHERE "original_air_date" = 'April 29, 2008'

Question: How many millions of U.S. viewers watched episode 185?
SQL: SELECT "u_s_viewers_millions" FROM tv_episodes_8 WHERE "no_in_series" = 185

Question: Who directed the episode that originally aired on January 15, 2008?
SQL: SELECT "directed_by" FROM tv_episodes_8 WHERE "original_air_date" = 'January 15, 2008'