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_23799417_2 ( rating VARCHAR, total_viewers__in_millions_ VARCHAR )

### Question ###
What is the rating/share total number if the total viewers is 12.75 million?

### Accurate SQL ###

SELECT COUNT(rating) / SHARE(18 AS –49) FROM table_23799417_2 WHERE total_viewers__in_millions_ = "12.75"