<prompt> Karl Bengt Rask akaberekwa 28 April 1928 ari pamudyandigere Swedish mutambi uyo akahwina menduru yendarira relay menduru muna 200 m breaststroke panguva 1950 European Aquatics Championships  <response>: . Makore maviri gare gare akakwikwidza mumutambo mumwe chetewo kumaOlympics ezhizha ra1952 asi akabviswa mumatanho okutanga. 