<prompt> Feleletša polelo ye e latelago: Pavel Schwarc ke yo e kilego ya ba mothuši wa seketswana wa seketswana yo a bego a phadišana ka seketswana ka di-1970s. O thopile dimetale tše pedi kua  <response>: 1977 ICF Canoe Slalom World Championships kua Spittal ka gauta go tiragalo ya sehlopha ya C-2 le silifera go tiragalo ya C-2. 