Question: The Mercurial Vapor is a football boot endorsed by which Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team?
Sentence (from "Fábio Coentrão"): Fábio Alexandre da Silva Coentrão (] ; born 11 March 1988) is a Portuguese professional footballer who plays for Sporting Clube de Portugal on loan from Real Madrid and the Portugal national team.
Relevant evidence: No