Question: The Chinese men's national under-20 ice hockey team plays in the events traditionally held in what month?
Sentence (from "IIHF World U20 Championship"): The IIHF Ice Hockey World Junior Championships (WJC), commonly known simply as the World Juniors, is an annual event organized by the International Ice Hockey Federation (IIHF) for national under-20 ice hockey teams from around the world.
Relevant evidence: No