CREATE TABLE table_30223 ("Series #" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

What series number is the episode entitled 'Booty'?
SELECT MAX("Series #") FROM table_30223 WHERE "Title" = 'Booty'
SELECT MAX("Series #") FROM "table_30223" WHERE "Title" = 'Booty'