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_20 ( attendance INTEGER, opponent VARCHAR, game VARCHAR )

### Question ###
What is the attendance of the game against the New Orleans Saints before game 11?

### Accurate SQL ###

SELECT AVG(attendance) FROM table_name_20 WHERE opponent = "new orleans saints" AND game < 11