Table: tv_episodes_2
Columns: no
col
title
directed_by
written_by
u_s_viewers_million
original_air_date
production_code

Question: How many times did episode 6 originally air?
SQL: SELECT COUNT("original_air_date") FROM tv_episodes_2 WHERE "col" = 6

Question: What is the production code for the episode that had 9.18 million viewers (U.S.)?
SQL: SELECT MAX("production_code") FROM tv_episodes_2 WHERE "u_s_viewers_million" = '9.18'

Question: What episode number was directed by Craig Ross, Jr.
SQL: SELECT "col" FROM tv_episodes_2 WHERE "directed_by" = 'Craig Ross, Jr.'

Question: What episode had 10.14 million viewers (U.S.)?
SQL: SELECT MIN("col") FROM tv_episodes_2 WHERE "u_s_viewers_million" = '10.14'

Question: Who wrote the episode with the production code 519?
SQL: SELECT "written_by" FROM tv_episodes_2 WHERE "production_code" = 519