question: How many total itv viewers were there for the episode with official itv ratings of 10.24 million?
answer: SELECT total_itv_viewers__millions_ FROM table_27319183_7 WHERE official_itv_rating__millions_ = "10.24"
context: CREATE TABLE table_27319183_7 (total_itv_viewers__millions_ VARCHAR, official_itv_rating__millions_ VARCHAR)