<prompt> Bhala ukuqhubeka kwalesi sigaba - Konstantin Yuryevich Petrov ; owazalwa ngo-16 Januwari 1964 ungumdlali wasemanzini waseKazakhstan osethathe umhlalaphansi. Wathola indondo yethusi kuma-Olympic asehlobo ka-1988 nendondo yegolide kuma-European Aquatics Championships ka-1987  <response>: emncintiswaneni we-medley 4 × 100 m. 