Table:
text: 1971 British Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Tim Schenken Brabham - Ford 63 Gearbox 7
Reine Wisell Lotus - Pratt & Whitney 57 Not classified 19
Andrea de Adamich March - Alfa Romeo 56 Not classified 24
Peter Gethin McLaren - Ford 53 Engine 14
Jacky Ickx Ferrari 51 Engine 6
Clay Regazzoni Ferrari 48 Oil Pressure 1
Chris Amon Matra 35 Engine 9
Denny Hulme McLaren - Ford 32 Engine 8
Derek Bell Surtees - Ford 23 Suspension 23
Mike Beuttler March - Ford 21 Oil Pressure 20
Dave Charlton Lotus - Ford 1 Engine 13
Graham Hill Brabham - Ford 0 Accident 22
Jackie Oliver McLaren - Ford 0 Accident 16

Question: Which driver has the 1 on the grid at the 1971 British Grand Prix?