<prompt> Qedela umusho olandelayo: UNelly Chávez owazalwa ngo-17 Disemba 1945 ungumgijimi webanga elide waseBolivia. Wancintisana emncintiswaneni  <response>: I-marathon yabesifazane kuma-Olympic asehlobo ka-1984. UChávez waqeda endaweni yesithupha emjahweni webanga elide emidlalweni yasePan American ngo-1987. Wayengowesifazane wokuqala ukumela iBolivia kuma-Olympics. 