CREATE TABLE table_27188 ("#" FLOAT, "Episode" TEXT, "Air Date" TEXT, "Timeslot  ( EST ) " TEXT, "Rating" TEXT, "Share" FLOAT, "18-49  ( Rating/Share ) " TEXT, "Viewers  ( m ) " TEXT, "Weekly Rank  ( # ) " FLOAT)

How many episodes received rating of 8.2?
SELECT COUNT("Episode") FROM table_27188 WHERE "Rating" = '8.2'
SELECT COUNT("Episode") FROM "table_27188" WHERE "Rating" = '8.2'