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_13399573_3 (points_against VARCHAR, won VARCHAR)

### Question ###
What was the number of points against when the amount won is 10?

### Accurate SQL ###

SELECT points_against FROM table_13399573_3 WHERE won = "10"