Table:
text: Johnnie Parsons
Complete Formula One World Championship results
Complete Formula One World Championship results
Year_ Entrant Chassis Engine Points
1950 Wynn`s Friction / Kurtis-Kraft Kurtis Kraft 1000 Offenhauser L4 9
1951 Wynn`s Friction Proofing / Walsh Kurtis Kraft 3000 Offenhauser L4 0
1952 Jim Robbins Kurtis Kraft 1000 Offenhauser L4 0
1953 Belond Equa-Flow Kurtis Kraft 500B Offenhauser L4 0
1954 Belond Equa-Flow / Calif. Muffler Kurtis Kraft 500C Offenhauser L4 0
1955 Trio Brass Foundry / Anderson Kurtis Kraft 500C Offenhauser L4 0
1956 J.C. Agajanian Kuzma Indy Roadster Offenhauser L4 3
1957 Sumar/Chapman Root Kurtis Kraft 500G Offenhauser L4 0
1958 Fred Gerhardt Kurtis Kraft 500G Offenhauser L4 0

Question: In which year of johnnie parsons overall results of the formula one world championship is a participant of belond equa-flow / calif. silencer ?