<prompt> Wolfgang Sieber akaberekwa musi wa3 Gunyana 1937 mutambi wekushambira weGerman akasiya basa uyo akahwina menduru yebronze mu200 m butterfly pa1962 European Aquatics Championships  <response>: . Akakwikwidzawo kumaOlympics ezhizha ra1960 mumutambo mumwe chetewo, asi akabviswa mumakwikwi ekutanga. 