Table:
text: 1973 German Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Jackie Stewart Tyrrell - Ford 14 1:42:03.0 1
François Cevert Tyrrell - Ford 14 + 1.6 3
Jacky Ickx McLaren - Ford 14 + 41.2 4
Carlos Pace Surtees - Ford 14 + 53.8 11
Wilson Fittipaldi Brabham - Ford 14 + 1:19.9 13
Emerson Fittipaldi Lotus - Ford 14 + 1:24.3 14
Jochen Mass Surtees - Ford 14 + 1:25.2 15
Jackie Oliver Shadow - Ford 14 + 1:25.7 17
Peter Revson McLaren - Ford 14 + 2:11.8 7
Henri Pescarolo Iso Marlboro - Ford 14 + 2:22.5 12
Rolf Stommelen Brabham - Ford 14 + 3:27.3 16

text: 1973 German Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Denny Hulme McLaren - Ford 14 + 3:38.7 8
Graham Hill Shadow - Ford 14 + 3:49.0 20
Mike Hailwood Surtees - Ford 13 + 1 Lap 18
David Purley March - Ford 13 + 1 Lap 22
Mike Beuttler March - Ford 13 + 1 Lap 19
Carlos Reutemann Brabham - Ford 7 Engine 6
Clay Regazzoni BRM 7 Engine 10
George Follmer Shadow - Ford 5 Accident 21
Jean-Pierre Beltoise BRM 4 Gearbox 9
Niki Lauda BRM 1 Accident 5
Ronnie Peterson Lotus - Ford 0 Ignition 2

Question: What is the low lap total for Henri Pescarolo with a grade greater than 6 in the 1973 German Grand Prix?