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_11274401_3 (rating VARCHAR, air_date VARCHAR)

### Question ###
What's the rating of the episode originally aired on May 5, 2009?

### Accurate SQL ###

SELECT rating FROM table_11274401_3 WHERE air_date = "May 5, 2009"