Question: What is the nationality of the man who defeated an American Olympic champion later killed by John Eleuthere du Pant?
Sentence (from "Dave Schultz (wrestling)"): He was shot and killed by John Eleuthère du Pont, a millionaire philanthropist who sponsored the private Foxcatcher wrestling team at an amateur sports center, known as Foxcatcher Farm, he set up on his estate in Pennsylvania.
Relevant evidence: Yes