<prompt> Qedela umusho olandelayo: UKonstantinos Christodoulou owazalwa ngo- ungumgibeli wamabhayisikili wesilisa waseGrisi, ugibela iqembu lesizwe. Wancintisana emncintiswaneni we-sprint kanye neqembu le-sprint emncintiswaneni  <response>: 2011 UCI Track Cycling Umhlaba Championships. 