<prompt> Bhala ukuqhubeka kwalesi sigaba - U-Olga Prokhorova ungumbhukudi waseRussia osethathe umhlalaphansi. Wathola indondo yethusi ku-1994 World Aquatics Championships kanye nendondo yesiliva ku-1993 European Aquatics Championships  <response>: emncintiswaneni we-medley 4 × 100 m. 