Table: episodeseries_2
Columns: episode_no
series_no
title
directed_by
written_by
viewers_millions
original_airdate

Question: Who directed the episode "the departed"?
SQL: SELECT "directed_by" FROM episodeseries_2 WHERE "title" = '"The Departed"'

Question: Who directed episode number 23?
SQL: SELECT "directed_by" FROM episodeseries_2 WHERE "episode_no" = 23