<prompt> Karel Třešňák akaberekwa musi waFebruary 21, 1949 muKarlovy Vary aimbova weCzechoslovak slalom canoeist uyo akakwikwidza muma1970. Akakunda menduru nomwe paICF Canoe Slalom World Championships nendarama mbiri C-1 chikwata: 1973, 1975 sirivha C-1: 1973 nemhangura ina C-1: 1977  <response>: ; boka reC-1: 1971, 1977, 1979. 