<prompt> Christian Gessner kana Geßner; akaberekwa musi wa 16 Chikumi 1968 mutambi akarega basa wekuGermany uyo akahwina menduru nhatu mumamita mazana maviri nemakumi mana emamita pamakwikwi eEuropean Aquatics Championships muna 1991  <response>: uye 1991 World Aquatics Championships. Gore rakatevera racho, akapedza ari wechishanu mumitambo imwe cheteyo paMitambo yeOlympic yeZhizha ya1992. 