Table:
text: Johnny Boyd
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1955 Sumar / Chapman Root Kurtis Kraft 500D Offenhauser L4 0
1956 Bowes Seal Fast / Bignotti Kurtis Kraft 500E Offenhauser L4 0
1957 Bowes Seal Fast / Bignotti Kurtis Kraft 500G Offenhauser L4 0
1958 Bowes Seal Fast Racing Kurtis Kraft 500G Offenhauser L4 4
1959 Bowes Seal Fast / Bignotti Epperly Indy Roadster Offenhauser L4 0
1960 Bowes Seal Fast Racing Epperly Indy Roadster Offenhauser L4 0

Question: Next to Johnny Boyd, which chassis has more than 0 points in the results of the entire Formula 1 World Championship?

Question: Before 1955, how many points were in Johnny Boyd's Formula One World Championship total?

Question: What is the lowest score the 1959 Epperly Indy Roadster had among Johnny Boyd's Formula One World Championship overall results?

Question: Among Johnny Boyd's complete Formula 1 World Championship results, which chassis has more than 0 points?