Table:
text: 1971 Austrian Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Jo Siffert BRM 54 1:30:23.91 1
Emerson Fittipaldi Lotus - Ford 54 + 4.12 5
Tim Schenken Brabham - Ford 54 + 19.77 7
Reine Wisell Lotus - Ford 54 + 31.87 10
Graham Hill Brabham - Ford 54 + 48.43 8
Henri Pescarolo March - Ford 54 + 1:24.51 13
Rolf Stommelen Surtees - Ford 54 + 1:37.42 12
Ronnie Peterson March - Ford 53 +1 Lap 11
Jackie Oliver McLaren - Ford 53 +1 Lap 22
Peter Gethin BRM 52 +2 Laps 16
Helmut Marko BRM 52 +2 Laps 17

text: 1971 Austrian Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Nanni Galli March - Alfa Romeo 51 +3 Laps 15
Mike Beuttler March - Ford 47 Not Classified 19
François Cevert Tyrrell - Ford 42 Engine 3
Jackie Stewart Tyrrell - Ford 35 Halfshaft 2
Jacky Ickx Ferrari 31 Engine 6
Niki Lauda March - Ford 20 Handling 21
John Surtees Surtees - Ford 12 Engine 18
Clay Regazzoni Ferrari 8 Engine 4
Howden Ganley BRM 5 Ignition 14
Denny Hulme McLaren - Ford 4 Engine 9
Jo Bonnier McLaren - Ford 0 Fuel Leak 20

Question: What is the low starting grid of the 1971 Austrian Grand Prix with brm and over 54 laps?