CREATE TABLE table_27983 ("#" FLOAT, "Airdate" TEXT, "No. of couples" FLOAT, "1st couple" TEXT, "2nd couple" TEXT, "3rd couple" TEXT, "4th couple" TEXT, "Viewers  ( millions ) " TEXT, "ITV1 weekly ranking" TEXT)

How many episode numbers are there on the show whose first couple was Stuart and Pegah>?
SELECT COUNT("#") FROM table_27983 WHERE "1st couple" = 'Stuart and Pegah'
SELECT COUNT("#") FROM "table_27983" WHERE "1st couple" = 'Stuart and Pegah'