<prompt> Qedela umusho olandelayo: UKazimierz Nikin ungumgibeli wezikebhe wasePoland owaqhudelana maphakathi nawo-1970. Wathola indondo yethusi emncintiswaneni we-K-1 10000 m emncintiswaneni  <response>: Ngo-1975 i-ICF Canoe Sprint World Championships eBelgrade. 