<prompt> Ngwala tšwetšopele ya serapa se - Gyula Hajdu ke moswari wa seketswana wa Hungary yo a bego a phenkgišana mathomong a bo-1980. O thopile sefoka sa gauta go C-2 1000 m ka 1982 ICF Canoe Sprint World Championships ka Belgrade le sefoka sa silibera go C-1 500 m ka 1978 ICF Canoe Sprint World Championships  <response>: kua Belgrade. 