<prompt> Feleletša polelo ye e latelago: Silke Bull ke mosesiši wa seketswana wa Jeremane Bohlabela yo a ilego a phadišana mathomong a bo-1990. O thopile sefoka sa gauta ka go K-4 500 m ka go  <response>: 1990 ICF Canoe Sprint World Championships kua Poznań. 