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_7 ( rating VARCHAR, air_date VARCHAR, weekly_winner VARCHAR )

### Question ###
What is Rating, when Air Date is 'July 24, 2008*', and when Weekly Winner is 'Sales Rep. Oscar Ledezma'?

### Accurate SQL ###

SELECT rating FROM table_name_7 WHERE air_date = "july 24, 2008*" AND weekly_winner = "sales rep. oscar ledezma"