Table:
text: 1969 British Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Pedro Rodríguez Ferrari 61 Engine 8
Chris Amon Ferrari 45 Gearbox 5
Denny Hulme McLaren - Ford 27 Ignition 3
Jackie Oliver BRM 19 Transmission 13
Jo Bonnier Lotus - Ford 6 Engine 16
Derek Bell McLaren - Ford 5 Suspension 15
John Surtees BRM 1 Suspension 6

Question: How many laps did Jackie Oliver do in the 1969 British Grand Prix?