Table schema:
CREATE TABLE table_name_58 (grand_prix VARCHAR, round VARCHAR, winning_driver VARCHAR, pole_position VARCHAR)

Question: Which Grand Prix did David Coulthard win with Michael Schumacher in the pole position before round 9?
SQL: SELECT grand_prix FROM table_name_58 WHERE winning_driver = "david coulthard" AND pole_position = "michael schumacher" AND round < 9