Table:
text: Cosworth
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Tyres Points
1965 Dave Charlton Lotus 20 109E 1.5 L4 D 0
1965 Trevor Blokdyk Cooper T59 109E 1.5 L4 D 0
1965 Bob Gerard Racing Cooper Cooper T73 109E 1.5 L4 D 0
1967 Team Lotus Lotus 49 Cosworth DFV 3.0 V8 F 44
1967 Matra Sports Matra MS7 Cosworth FVA 1.6 L4 D 0
1968 Team Lotus Gold Leaf Team Lotus Lotus 49 49B Ford Cosworth DFV 3.0 V8 F 62
1968 Rob Walker Racing Team Lotus 49 49B Ford Cosworth DFV 3.0 V8 F 62
1968 Bruce McLaren Motor Racing McLaren M7A Ford Cosworth DFV 3.0 V8 G 49

text: Cosworth
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Tyres Points
1968 Anglo American Racers McLaren M7A Ford Cosworth DFV 3.0 V8 G 49
1968 Joakim Bonnier Racing Team McLaren M5A Ford Cosworth DFV 3.0 V8 G 49
1968 Matra International ( Tyrrell Racing ) Matra MS9 MS10 Ford Cosworth DFV 3.0 V8 D 45
1968 Matra Sports Matra MS7 MS11 Ford Cosworth DFV 3.0 V8 D 45
1969 Matra International ( Tyrrell Racing ) Matra MS10 MS80 MS84 Ford Cosworth DFV 3.0 V8 D 66
1969 Motor Racing Developments Ltd Brabham BT26A BT26 Ford Cosworth DFV 3.0 V8 G 49 (51)
1969 Frank Williams Racing Cars Brabham BT26A BT26 Ford Cosworth DFV 3.0 V8 D 49 (51)

Question: Which competitor has 49 points and a McLaren M7A chassis among Cosworth's overall Formula 1 World Championship results?