<prompt> Shiye kungәna zәlabe sәkәna suro ski ballet lan suro FIS Freestyle World Ski Championships 1997 lan, kuru kungәna zәllabe sәkәna suro FIS Freestyle World Ski Championships 1999 lan  <response>: kǝla kǝnǝngabe. Kuru shiye suro 1991-a 1995-a dәn world championships ro letәgәna. 