Table:
text: 2007 Monaco Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
David Coulthard Red Bull - Renault 76 +2 Laps 13
Jarno Trulli Toyota 76 +2 Laps 14
Ralf Schumacher Toyota 76 +2 Laps 20
Takuma Sato Super Aguri - Honda 76 +2 Laps 21
Anthony Davidson Super Aguri - Honda 76 +2 Laps 17
Christijan Albers Spyker - Ferrari 70 Driveshaft 22
Adrian Sutil Spyker - Ferrari 53 Accident 19
Mark Webber Red Bull - Renault 17 Gearbox 6
Vitantonio Liuzzi Toro Rosso - Ferrari 2 Accident 12

Question: Tell me the average laps for starting grid of 6 for 2007 Monaco Grand Prix race?