Which driver won when o.m. was the winning constructor ?
CREATE TABLE table_name_96 (winning_driver VARCHAR, winning_constructor VARCHAR)
SELECT winning_driver FROM table_name_96 WHERE winning_constructor = "o.m."
### Context: CREATE TABLE table_name_96 (winning_driver VARCHAR, winning_constructor VARCHAR) ### Question: Which driver won when o.m. was the winning constructor ? ### Answer: SELECT winning_driver FROM table_name_96 WHERE winning_constructor = "o.m."