<prompt> Ngwala tšwetšopele ya serapa se - Mirjam van Hemert o belegwe ka 30 Setemere 1950 ke moatlelete yo a rotšego modiro wa Dutch yo a thopilego sefoka sa bronze ka 4×100 m freestyle relay ka 1966 European Aquatics Championships  <response>: .. le Gape o ile a phadišana ka 1968 Summer Olympics ka 100 m freestyle le 4×100 m freestyle relay, eupša o ile a palelwa ke go fihlelela makgaolakgang. O thopile sefoka sa bosetšhaba ka 100 m freestyle ka 1968. 