<prompt> Feleletša polelwana e latelago: Roland Graupner ke mosesiši wa seketswana wa Jeremane Bohlabela yo a ilego a phenkgišana mafelelong a bo-1970. O thopile dimetale tše pedi tša gauta ka K-4 500 m ka ICF Canoe Sprint World Championships, a di hwetša ka  <response>: 1978 le 1979. 