<prompt> Feleletša polelo e latelago: Ka March 1, 1964, United States Road Racing Championship USRRC e ile ya swara diphadišano tše pedi tša dikhilomithara tše 150 tseleng. Dave MacDonald o ile a fenya lebelo la pele ka King Cobra, Jim Hall a ba wa bobedi ka Chaparral 2A gomme Bob Holbert a ba wa boraro ka King Cobra e nngwe. Ken Miles le Dave MacDonald ba feditše ka 12 ka Cobra Roadsters lebelong la thapama. Dave o be a tla hwa dibeke tše sego kae ka morago kua  <response>: Indy 500. 