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

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'