<prompt> Holmannye waltə kampiyon ICF Canoe Sprint World Championships mewun lokko yakkə-a mewun yakkə-a lan jaza K-1 1000 m: 1990  <response>: 1991, 1993, 1995, silvers uwu K-1 500 m: 1991, 1995; K-1 1000 m: 1998, 1999; K-1 10000 m: 1993, kuru bronzes diyau K-1 500 m: 1994, K-1 1000 m: 1994, 1997; K-4 200 m: 1998. 