Table:
text: 1952 Belgian Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
Arthur Legat Veritas 31 +5 laps 21
Robert O`Brien Simca - Gordini - Gordini 30 +6 laps 22
Tony Gaze HWM - Alta 30 +6 laps 16
Robin Montgomerie-Charrington Aston Butterworth 17 Engine 15
Piero Taruffi Ferrari 13 Accident 3
Jean Behra Gordini 13 Accident 5
Ken Wharton Frazer-Nash - Bristol 10 Spun off 7
Louis Rosier Ferrari 6 Transmission 17
Peter Collins HWM - Alta 3 Halfshaft 11
Stirling Moss ERA - Bristol 0 Engine 10

Question: How many laps for Robin Montgomerie-Charrington and a starting grid under 15 in the 1952 Belgian Grand Prix?