user: Question: What time was there when the bike was Ducati 999 F06 and the grid number was 15?
Columns: ['Rider', 'Bike', 'Laps', 'Time', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Noriyuki Haga', 'Yamaha YZF-R1', 18.0, '32:05.318', 1.0]
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Bike" = 'Ducati 999 F06' AND "Grid" = 15.0;