What the average grid for johnny dumfries with less than 8 laps one?
Driver Constructor Laps Time/Retired Grid
1986 San Marino Grand Prix
1122954
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Classification
Classification
Alain Prost McLaren - TAG 60 1:32:28.408 4
Nelson Piquet Williams - Honda 60 + 7.645 2
Gerhard Berger Benetton - BMW 59 + 1 Lap 9
Stefan Johansson Ferrari 59 + 1 Lap 7
Keke Rosberg McLaren - TAG 58 Out of Fuel 6
Riccardo Patrese Brabham - BMW 58 Out of Fuel 16
Thierry Boutsen Arrows - BMW 58 + 2 Laps 12
Martin Brundle Tyrrell - Renault 58 + 2 Laps 13
Marc Surer Arrows - BMW 57 + 3 Laps 15
Michele Alboreto Ferrari 56 Turbo 5
Piercarlo Ghinzani Osella - Alfa Romeo 52 Out of Fuel 26
René Arnoux Ligier - Renault 46 Wheel 8
Philippe Streiff Tyrrell - Renault 41 Transmission 22
Teo Fabi Benetton - BMW 39 Engine 10
Jonathan Palmer Zakspeed 38 Brakes 20
Christian Danner Osella - Alfa Romeo 31 Electrical 25
Alan Jones Lola - Ford 28 Overheating 21
Andrea de Cesaris Minardi - Motori Moderni 20 Engine 23
Elio de Angelis Brabham - BMW 19 Engine 19
Jacques Laffite Ligier - Renault 14 Transmission 14
Ayrton Senna Lotus - Renault 11 Wheel Bearing 1
Nigel Mansell Williams - Honda 8 Engine 3
Johnny Dumfries Lotus - Renault 8 Wheel Bearing 17
Huub Rothengatter Zakspeed 7 Turbo 24
Patrick Tambay Lola - Hart 5 Engine 11
Alessandro Nannini Minardi - Motori Moderni 0 Accident 18
SELECT AVG Grid FROM table WHERE Driver = johnny dumfries AND Laps < 8
johnny dumfries 8