<prompt> Pedzisa mutsara unotevera: Li Xuanxu ; akaberekwa musi waFebruary 5, 1994 muZhuzhou, Hunan mukadzi wekuChina wekushambira, uyo akakwikwidza kuChikwata cheChina kumaOlympics eZhizha ra2008. Pa 2012 Summer Olympics akawana nzvimbo yechipiri mumakwikwi ekupisa aine nguva ye4:34.28 mumakwikwi ekupisa.  <response>: Makwikwi evakadzi emamita 400. Akakunda menduru yeBronze mumutambo wokupedzisira aine 4:32.91. 