Question: The American actor and professional chef who hosted an American reality television series that showcases America's most exclusive and extravagant homes, was known for starring on what t.v. show?
Sentence (from "Top Chef (season 14)"): MasterChef" and "Top Chef Masters" alumnus Graham Elliot debuted as a recurring judge, alongside returning judges Padma Lakshmi, Tom Colicchio, and Gail Simmons.
Relevant evidence: No