Table:
text: 1957 Pescara Grand Prix
Classification
Classification
Driver Constructor_ Laps Time_Retired Grid
Stirling Moss Vanwall 18 2:59:22.7 2
Juan Manuel Fangio Maserati 18 +3:13.9 1
Harry Schell Maserati 18 +6:46.8 5
Masten Gregory Maserati 18 +8:16.5 7
Stuart Lewis-Evans Vanwall 17 +1 lap 8
Giorgio Scarlatti Maserati 17 +1 lap 10
Jack Brabham Cooper - Climax 15 +3 laps 16
Luigi Musso Ferrari 9 Oil leak 3
Paco Godia Maserati 9 Engine 12
Bruce Halford Maserati 9 Transmission 14
Jo Bonnier Maserati 7 Overheating 9
Jean Behra Maserati 3 Oil leak 4
Roy Salvadori Cooper - Climax 3 Accident 15
Tony Brooks Vanwall 1 Engine 6
Horace Gould Maserati 0 Accident 11
Luigi Piotti Maserati 0 Engine 13

Question: Who drove the Maserati under 18 laps with an oil leak that had an under 14 grid at the 1957 Pescara Grand Prix?