What were the official itv ratings in millions for the episode with a total of 8.53 million itv viewers
CREATE TABLE table_27319183_7 (official_itv_rating__millions_ VARCHAR, total_itv_viewers__millions_ VARCHAR)
SELECT official_itv_rating__millions_ FROM table_27319183_7 WHERE total_itv_viewers__millions_ = "8.53"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27319183_7 (official_itv_rating__millions_ VARCHAR, total_itv_viewers__millions_ VARCHAR) Question: What were the official itv ratings in millions for the episode with a total of 8.53 million itv viewers [/INST] SELECT official_itv_rating__millions_ FROM table_27319183_7 WHERE total_itv_viewers__millions_ = "8.53" </s>