CREATE TABLE table_27975 ("#" FLOAT, "Airdate" TEXT, "No. of couples" FLOAT, "First couple" TEXT, "Second couple" TEXT, "Third couple" TEXT, "Fourth couple" TEXT, "Viewers  ( millions ) " TEXT, "ITV1 weekly ranking" FLOAT)

What was the number of viewers for the episode having a fourth couple of Tony and Jamie?
SELECT "Viewers (millions)" FROM table_27975 WHERE "Fourth couple" = 'Tony and Jamie'
SELECT "Viewers (millions)" FROM "table_27975" WHERE "Fourth couple" = 'Tony and Jamie'