<prompt> Bhala ukuqhubeka kwalesi sigaba - Wathola indondo yegolide ku-ski ballet e-FIS Freestyle World Ski Championships ngo-1997, futhi wathola indondo yesiliva e-FIS Freestyle World Ski Championships ngo-1999  <response>: . futhi. Ubuye waqhudelana nasemqhudelwaneni womhlaba wonke ngo-1991 nango-1995. 