<prompt> Ngwala tšwetšopele ya serapa se - O thopile sefoka sa bronze ka go papadi ya ballet ya go thelela godimo ga dithaba ya FIS Freestyle World Ski Championships ka 1986  <response>: ka Tignes, le sefoka se sengwe sa bronze ka ballet ya ski go FIS Freestyle World Ski Championships ka 1989 kua Oberjoch. 