<prompt> Qedela umusho olandelayo: U-Olga Prokhorova ungumbhukudi waseRussia osethathe umhlalaphansi. Wathola indondo yethusi ku-1994 World Aquatics Championships kanye nendondo yesiliva ku  <response>: Ngo-1993 i-European Aquatics Championships emncintiswaneni we-4 × 100 m medley relay. 