<prompt> Qedela umusho olandelayo: U-Iliana Nikolova ungumshayeli wezikebhe waseBulgaria owaqhudelana ngasekupheleni kwawo-1970. Wathola indondo yesiliva emdlalweni we-K-4 500 m emidlalweni  <response>: Ngo-1978 ICF Canoe Sprint World Championships eBelgrade. 