user: ### NOW ANSWER:
Question: What car/motorcycle goes 91.813mph?
Columns: ['Year', 'Date', 'Driver / Rider', 'Car / Motorcycle', 'Time', 'Speed']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1909.0, 'Dec 17', 'Lewis Strang', 'Fiat', '00:40.61', '88.648mph']
SQL:

assistant: SELECT "Car / Motorcycle" FROM "Table" WHERE "Speed" = '91.813mph';