Table:
text: 1967 Italian Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Jackie Stewart BRM 45 Engine 7
Denny Hulme Brabham - Repco 30 Overheating 6
Guy Ligier Brabham - Repco 26 Engine 18
Chris Irwin BRM 16 Injection 16
Ludovico Scarfiotti Eagle - Weslake 5 Engine 10
Dan Gurney Eagle - Weslake 4 Engine 5

text: 1967 Italian Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
John Surtees Honda 68 1:43:45.0 9
Jack Brabham Brabham - Repco 68 + 0.2 2
Jim Clark Lotus - Ford 68 + 23.1 1
Jochen Rindt Cooper - Maserati 68 + 56.6 11
Mike Spence BRM 67 + 1 Lap 12
Jacky Ickx Cooper - Maserati 66 + 2 Laps 15
Chris Amon Ferrari 64 + 4 Laps 4
Graham Hill Lotus - Ford 58 Engine 8
Jo Siffert Cooper - Maserati 50 Accident 13
Giancarlo Baghetti Lotus - Ford 50 Engine 17
Bruce McLaren McLaren - BRM 46 Engine 3
Jo Bonnier Cooper - Maserati 46 Overheating 14

Question: What was the total number of grids in the 1967 Italian Grand Prix when the number of laps was less than 68 and the time/retirement was injection?