CREATE TABLE table_3680 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. viewers  ( million ) " TEXT)

What is the title of the episode directed by Romeo Tirone?
SELECT "Title" FROM table_3680 WHERE "Directed by" = 'Romeo Tirone'
SELECT "Title" FROM "table_3680" WHERE "Directed by" = 'Romeo Tirone'