Question: What is the nickname of Sara Carbonero's husband Iker Casillas?
Sentence (from "Iker Casillas"): Having won the IFFHS World's Best Goalkeeper Award for a record five consecutive years, Casillas is considered as one of the greatest and most successful goalkeepers of all time, placing second behind Gianluigi Buffon in both the IFFHS Best Goalkeeper of the past decade and quarter-century awards in 2010.
Relevant evidence: No