<prompt> Qedela umusho olandelayo: UPytor Grigonis ungumshayeli wesikebhe waseSoviet owayedlala ngasekupheleni kwawo-1970. Wathola indondo yesiliva emdlalweni we-C-2 500 m emidlalweni  <response>: Ngo-1978 ICF Canoe Sprint World Championships eBelgrade. 