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_name_23 ( rating VARCHAR, viewers__households_in_millions_ VARCHAR )

### Question ###
What was the rating of the season that had 18.17 million household viewers?

### Accurate SQL ###

SELECT rating FROM table_name_23 WHERE viewers__households_in_millions_ = "18.17"