What is the report for the race that Mike Spence won.
CREATE TABLE table_1140099_6 (report VARCHAR, winning_driver VARCHAR)
SELECT report FROM table_1140099_6 WHERE winning_driver = "Mike Spence"
### Context: CREATE TABLE table_1140099_6 (report VARCHAR, winning_driver VARCHAR) ### Question: What is the report for the race that Mike Spence won. ### Answer: SELECT report FROM table_1140099_6 WHERE winning_driver = "Mike Spence"