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_52450 ( "Round" real, "Grand Prix" text, "Pole Position" text, "Fastest Lap" text, "Winning Driver" text, "Winning Constructor" text, "Report" text )

### Question ###
Which Grand Prix did David Coulthard win with Michael Schumacher in the pole position before round 9?

### Accurate SQL ###

SELECT "Grand Prix" FROM table_52450 WHERE "Winning Driver" = 'david coulthard' AND "Pole Position" = 'michael schumacher' AND "Round" < '9'