Table:
text: 1971 British Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Jackie Stewart Tyrrell - Ford 68 1:31:31.5 2
Ronnie Peterson March - Ford 68 + 36.1 5
Emerson Fittipaldi Lotus - Ford 68 + 50.5 4
Henri Pescarolo March - Ford 67 + 1 Lap 17
Rolf Stommelen Surtees - Ford 67 + 1 Lap 12
John Surtees Surtees - Ford 67 + 1 Lap 18
Jean-Pierre Beltoise Matra 66 + 2 Laps 15
Howden Ganley BRM 66 + 2 Laps 11
Jo Siffert BRM 66 + 2 laps 3
François Cevert Tyrrell - Ford 65 + 3 Laps 10
Nanni Galli March - Ford 65 + 3 Laps 21

Question: What is driver Howden Ganley's time/retirement from the 1971 British Grand Prix?