CREATE TABLE table_1145977_2 (season VARCHAR, viewers__in_millions_ VARCHAR)

When did the season air where the viewership was 14.71 million?
SELECT season AS premiere FROM table_1145977_2 WHERE viewers__in_millions_ = "14.71"
SELECT "season" AS "premiere" FROM "table_1145977_2" WHERE "14.71" = "viewers__in_millions_"