Question: What athlete did a Serbian traditional healer who has specialized in the use of horse placenta treatment to heal athletes used the horse placenta treatment on, she also treated  an Argentine professional footballer who plays as a right back for West Ham United and the Argentina national team?
Sentence (from "Pablo Zabaleta"): Zabaleta can operate on both sides of the pitch as a full back and is known for his tenacious style of play, and has captained his club on numerous occasions.
Relevant evidence: No