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_12 ( wins INTEGER, latest_win VARCHAR, rank VARCHAR )

### Question ###
How many total wins with the latest win at the 1999 Italian Grand Prix at a rank of 15?

### Accurate SQL ###

SELECT SUM(wins) FROM table_name_12 WHERE latest_win = "1999 italian grand prix" AND rank > 15