CREATE TABLE table_21744 ("No. in series" TEXT, "No. in season" TEXT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

What number in season is the episode directed by Gene Stupnitsky?
SELECT "No. in season" FROM table_21744 WHERE "Directed by" = 'Gene Stupnitsky'
SELECT "No. in season" FROM "table_21744" WHERE "Directed by" = 'Gene Stupnitsky'