user: Question: Which Suzuki GSX-R1000 K7 has the highest time of Retirement?
Columns: ['Rider', 'Bike', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Noriyuki Haga', 'Yamaha YZF-R1', 23.0, '38:35.353', 4.0]
SQL:

assistant: SELECT MAX("Grid") FROM "Table" WHERE "Time" = 'Retirement' AND "Bike" = 'Suzuki GSX-R1000 K7';