<prompt> Ernst Libuda dǝ shima kam kǝn buroye slalom canoeist lardǝ West Germanybewo suro 1970s lan kǝnasartǝna wo. Shiye kəndawu cidibe cidibe C-1 lan medal arziyibe suwudəna suro 1977 ICF Canoe Slalom World Championships lan  <response>: suro Spittal yen. 