user: Question: What is Rider, when Grid is less than 16, when Laps is 21, when Manufacturer is Honda, and when Time is +10.583?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Valentino Rossi', 'Yamaha', 21.0, '43:06.007', 2.0]
SQL:

assistant: SELECT "Rider" FROM "Table" WHERE "Grid" < 16.0 AND "Laps" = 21.0 AND "Manufacturer" = 'Honda' AND "Time" = '+10.583';