<prompt> Ngwala tšwetšopele ya serapa se - Stefan Popa ke moswari wa seketswana wa go kitima wa mo-Romania yo a ilego a phenkgišana mafelelong a bo-1970. O thopile sefoka sa bronze ka K-4 10000 m ka 1978 ICF Canoe Sprint World Championships  <response>: kua Belgrade. 