Table:
text: 2007 Chinese motorcycle Grand Prix
Moto GP Classification
Moto GP Classification
Rider Manufacturer Laps Time_Retired Grid
Makoto Tamada Yamaha 3 Accident 18
Toni Elías Honda 0 Accident 12

text: 2007 Chinese motorcycle Grand Prix
Moto GP Classification
Moto GP Classification
Rider Manufacturer Laps Time_Retired Grid
Casey Stoner Ducati 22 44:12.891 4
Valentino Rossi Yamaha 22 +3.036 1
John Hopkins Suzuki 22 +6.663 2
Dani Pedrosa Honda 22 +14.090 5
Marco Melandri Honda 22 +17.276 6
Loris Capirossi Ducati 22 +26.256 14
Chris Vermeulen Suzuki 22 +26.591 15
Randy de Puniet Kawasaki 22 +27.025 7
Alex Hofmann Ducati 22 +28.108 11
Carlos Checa Honda 22 +32.957 13
Colin Edwards Yamaha 22 +35.053 3
Nicky Hayden Honda 22 +37.327 9
Sylvain Guintoli Yamaha 22 +50.705 17
Alex Barros Ducati 22 +55.264 8
Kenny Roberts, Jr. KR212V 22 +57.736 16
Shinya Nakano Honda 3 Accident 10

Question: What is the average starting grid for the 2007 Chinese Motorcycle Grand Prix competitors who completed less than 3 laps?