Table:
text: 2002 Valencian Community motorcycle Grand Prix
MotoGP classification
MotoGP classification
Rider Manufacturer Laps Time_Retired Grid
Loris Capirossi Honda 19 Accident 12
David García Proton KR 13 Retirement 19
Garry McCoy Yamaha 6 Accident 4
Nobuatsu Aoki Proton KR 1 Accident 16
Régis Laconi Aprilia 1 Retirement 13
José Luis Cardoso Yamaha 0 Accident 21
Carlos Checa Yamaha 0 Accident 5

Question: What is the rider if the starting grid for the 2002 Valencian Community Motorcycling Grand Prix is 21?