Question: What is the birthdate of the player who won the award for Best Footballer in Asia 2015?
Sentence (from "Son Heung-min"): Son Heung-min (Hangul: 손흥민 ; Hanja: 孫興慜 ; ] ; born 8 July 1992) is a South Korean professional footballer who plays as a winger or a forward for Premier League club Tottenham Hotspur and the South Korea national team.
Relevant evidence: Yes