Table: tv_episode_ratings_2
Columns: episode
series
title
director
writer
original_airdate
viewers_in_millions

Question: Who directed the episode that had 6.04 million viewers? 
SQL: SELECT "director" FROM tv_episode_ratings_2 WHERE "viewers_in_millions" = '6.04'

Question: What number episode had 5.74 million viewers? 
SQL: SELECT "episode" FROM tv_episode_ratings_2 WHERE "viewers_in_millions" = '5.74'