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_21191496_1 ( report VARCHAR, circuit VARCHAR )

### Question ###
When autodromo nazionale monza is the circuit what is the report?

### Accurate SQL ###

SELECT report FROM table_21191496_1 WHERE circuit = "Autodromo Nazionale Monza"