user: Question: How long did it take for the rider of a Yamaha with a grid less than 8 and laps less than 23?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Valentino Rossi', 'Yamaha', 23.0, '42:31.153', 1.0]
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Manufacturer" = 'Yamaha' AND "Grid" < 8.0 AND "Laps" < 23.0;