CREATE TABLE table_3387 ("Episode #" TEXT, "Original Air Date  ( UK ) " TEXT, "Episode Title" TEXT, "Director" TEXT, "Writer" TEXT, "Cast" TEXT)

What is the episode number for episode title Leave Takers?
SELECT "Episode #" FROM table_3387 WHERE "Episode Title" = 'Leave Takers'
SELECT "Episode #" FROM "table_3387" WHERE "Episode Title" = 'Leave Takers'