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_1132600_3 (winning_driver VARCHAR, grand_prix VARCHAR)

### Question ###
How many drivers won the Italian Grand Prix?

### Accurate SQL ###

SELECT COUNT(winning_driver) FROM table_1132600_3 WHERE grand_prix = "Italian grand_prix"