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_21761882_4 ( week VARCHAR, location VARCHAR )

### Question ###
What was the total number of weeks where the game played Ivor Wynne Stadium?

### Accurate SQL ###

SELECT COUNT(week) FROM table_21761882_4 WHERE location = "Ivor Wynne Stadium"