What is the tournament with greg rusedski as the opponent?
CREATE TABLE table_name_57 (tournament VARCHAR, opponent VARCHAR)
SELECT tournament FROM table_name_57 WHERE opponent = "greg rusedski"
### Context: CREATE TABLE table_name_57 (tournament VARCHAR, opponent VARCHAR) ### Question: What is the tournament with greg rusedski as the opponent? ### Answer: SELECT tournament FROM table_name_57 WHERE opponent = "greg rusedski"