Question: Vitali Boot is a German amateur boxer best known to win the bronze medal at super heavyweight at the 2001 World Amateur Boxing Championships, there he beat Poland's Grzegorz Kielsa (20:14), but lost to which eventual winner, an Uzbek former professional boxer who competed from 1997 to 2016?
Sentence (from "Ruslan Chagaev"): Ruslan Shamilevich Chagaev (Tatar: Руслан Шамил улы Чагаев , "Ruslan Şamil ulı Çağayev"; Uzbek: "Ruslan Shamil'evich Chagaev" ; Russian: Руслан Шамилович Чагаев ); born 19 October 1978) is an Uzbek former professional boxer who competed from 1997 to 2016.
Relevant evidence: Yes