<prompt> Olbricht dǝye kuru medal arakkǝ-a kǝnasartǝna suro ICF Canoe Sprint World Championships lan, kuru jabu-a diyau-a K-2 500 m: 1977, 1978  <response>: ; K-4 1000 m: 1978, 1979 kuru silvers indi K-2 500 m: 1979, K-2 1000 m: 1977. 