<prompt> Qedela umusho olandelayo: Wabamba iqhaza kuma-Olympics asehlobo ka-1964 i-semi-final ku-200 m,  <response>: owesithupha emjahweni wokugijima ngamamitha angu-4 × 100 nasemidlalweni yama-Olimpiki yasehlobo ka-1968 ukushisa kumamitha angu-400, okwesihlanu emjahweni wokugijima ngamamitha angu-4 × 100. 