CREATE TABLE table_28416 ("No." FLOAT, "#" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "U.S. viewers  ( million ) " TEXT, "Rank  ( week ) " TEXT, "Original air date" TEXT, "Production code" TEXT)

What numbered episode had 11.96 million US viewers?
SELECT MAX("No.") FROM table_28416 WHERE "U.S. viewers (million)" = '11.96'
SELECT MAX("No.") FROM "table_28416" WHERE "U.S. viewers (million)" = '11.96'