Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_27319183_5 (official_itv1_hd_rating__millions_ VARCHAR, official_itv1_rating__millions_ VARCHAR)

### Question ###
What was the official ITV1 HD rating in millions for the episode that had an official ITV1 rating of 8.98 million?

### Accurate SQL ###

SELECT official_itv1_hd_rating__millions_ FROM table_27319183_5 WHERE official_itv1_rating__millions_ = "8.98"