Which Rider finished with a speed of 81.91mph?
CREATE TABLE table_name_39 (rider VARCHAR, speed VARCHAR)
SELECT rider FROM table_name_39 WHERE speed = "81.91mph"
### Context: CREATE TABLE table_name_39 (rider VARCHAR, speed VARCHAR) ### Question: Which Rider finished with a speed of 81.91mph? ### Answer: SELECT rider FROM table_name_39 WHERE speed = "81.91mph"