Question: Which tournament won by Diego Sanchez in the middleweight category involved mixed martial arts fighters who were trained in two separate teams by UFC Light Heavyweight fighters Chuck Liddell and Randy Couture?
Sentence (from "Diego Sanchez"): A professional competitor since 2002, he has also formerly competed for King of the Cage, where he was the Welterweight Champion, and also won the Middleweight tournament of The Ultimate Fighter 1.
Relevant evidence: Yes