Question: Who were the mascots of the IIHF World Championship in the year that Andrei Stas was the captain of the Belarus men's national ice hockey team?
Sentence (from "2017 IIHF World Championship"): FC Köln and German Olympic soccer team goalkeeper Timo Horn and Paris Saint-Germain F.C.'s Brazilian winger Lucas Moura have been named celebrity ambassadors for the event.
Relevant evidence: No