CREATE TABLE table_31125 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT)

Who directed the episode titled 'who nose'?
SELECT "Directed by" FROM table_31125 WHERE "Title" = 'Who Nose'
SELECT "Directed by" FROM "table_31125" WHERE "Title" = 'Who Nose'