Question: Mai Xuân Hợp was a member of Vietnam U23 and played at a football tournament where?
Sentence (from "Mai Xuân Hợp"): Mai Xuân Hợp (born 14 December 1986 in Thanh Hóa, Vietnam is Vietnamese footballer, who plays for Becamex Bình Dương F.C. as defender.
Relevant evidence: No