Table:
text: Duane Carter
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1950 Murrell Belanger Stevens Offenhauser L4 0
1951 oil Mobil / Rotary Engineering Deidt Tuffanelli Derrico Offenhauser L4 0
1952 Belanger Motors Lesovsky Offenhauser L4 3
1953 Bardahl / Ed Walsh Kurtis Kraft 4000 Offenhauser L4 2
1954 Automobile Shippers / Casaroll Kurtis Kraft 500A Offenhauser L4 1.5
1955 J.C. Agajanian Kuzma Indy Roadster Offenhauser L4 0
1959 Smokey Yunick Kurtis Kraft 500H Offenhauser L4 0
1960 Thompson / Ensley & Murphy Kuzma Indy Roadster Offenhauser L4 0

Question: What are the average points for Stevens chassis and year less than 1950 for Duane Carter?

Question: Under Duane Carter, name the fewest points for Kurtis Kraft 500a chassis?

Question: Give the total number of years for Kurtis Kraft 4000 chassis and scores more than 2 for Duane Carter?