<prompt> Kalima dǝwo fuwunzǝ dǝga samzǝ: Michael Berek dǝ kam buro salakye East German slalom canoeist dǝwo suro dawu-a datǝ-a 1970s ye dǝlan kǝrǝngatǝna dǝ. Shiye medal konnuye sәdәna suro lamar C-2be dәn.  <response>: 1977 ICF Canoe Slalom World Championships suro Spittal yen. 