<prompt> Ngwala tšwetšopele ya serapa se - Christian Poswiat o belegwe ka la 26 June 1968 ke moapei wa Sejeremane yoo a thopilego dimetale tše pedi tša bronse ka go medley relays ka 1987 European Aquatics Championships  <response>: le Ditšhišinyego tša Lefase tša Dipapadi tša Meetse tša 1991. Gape o ile a phadišana ka 1988 le 1992 Summer Olympics ka 100 m le 200 breaststroke; katlego ya gagwe e kgolo e be e le lefelo la seswai ka 100 m tiragalo ka 1988. 