<prompt> Bhala okuqhubekayo kwalesi sigaba - Wathola indondo yegolide emidlalweni ye-aerials eMqhudelwaneni Wamazwe Omhlaba we-FIS Freestyle Ski Championship 1989 e-Oberjoch. Wabuye waqhudelana emidlalweni yama-Olympic ka-1986  <response>: indawo yesishiyagalombili kanye no-1991 indawo yesihlanu ubuqhawe bomhlaba. 