Question: Who organized the 2016 warm-up tournament to the biennial internation men's youth football championship?
Sentence (from "2016 AFC U-16 Championship"): The 2016 AFC U-16 Championship was the 17th edition of the AFC U-16 Championship, the biennial international youth football championship organised by the Asian Football Confederation (AFC) for the men's under-16 national teams of Asia.
Relevant evidence: No