CREATE TABLE table_76454 ("Season" FLOAT, "Season premiere" TEXT, "Season finale" TEXT, "TV season" TEXT, "Ranking" TEXT, "Households  ( in millions ) " TEXT)

Which TV season has a Season smaller than 8, and a Household (in millions) of 15.92 (17.1 rating)?
SELECT "TV season" FROM table_76454 WHERE "Season" < '8' AND "Households (in millions)" = '15.92 (17.1 rating)'
SELECT "TV season" FROM "table_76454" WHERE "Households (in millions)" = '15.92 (17.1 rating)' AND "Season" < '8'