CREATE TABLE table_27046 ("Episode" FLOAT, "First Air Date" TEXT, "Rating  ( 18\\u201349 ) " TEXT, "Share  ( 18\\u201349 ) " FLOAT, "Viewers  ( millions ) " TEXT, "Rank  ( timeslot ) " TEXT, "Rank  ( night ) " TEXT)

How many episodes had 11.47 million viewers?
SELECT COUNT("Episode") FROM table_27046 WHERE "Viewers (millions)" = '11.47'
SELECT COUNT("Episode") FROM "table_27046" WHERE "Viewers (millions)" = '11.47'