Table:
text: 1971 South African Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
Rolf Stommelen Surtees - Ford 77 + 2 Laps 15
Andrea de Adamich March - Alfa Romeo 75 +4 Laps 22
Emerson Fittipaldi Lotus - Ford 58 Engine 5
John Surtees Surtees - Ford 56 Gearbox 6
François Cevert Tyrrell - Ford 45 Accident 9
Howden Ganley BRM 42 Physical 24
Pedro Rodríguez BRM 33 Overheating 10
Dave Charlton Brabham - Ford 31 Engine 16
Jo Siffert BRM 31 Overheating 12
John Love March - Ford 30 Differential 21
Jackie Pretorius Brabham - Ford 22 Engine 20
Peter Gethin McLaren - Ford 7 Fuel Leak 11
Jo Bonnier McLaren - Ford 5 Suspension 23
Alex Soler-Roig March - Ford 5 Engine 25

Question: What is the time/retirement of laps of 75 in the 1971 South African Grand Prix?