user: ### NOW ANSWER:
Question: What rider is on an Aprilia that went under 18 laps with a grid total of 17?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Héctor Faubel', 'Aprilia', 19.0, '40:57.408', 2.0]
SQL:

assistant: SELECT "Rider" FROM "Table" WHERE "Manufacturer" = 'Aprilia' AND "Laps" < 18.0 AND "Grid" = 17.0;