Question: Which Brazilian mixed martial artist and former UFC Middleweight Champion whose title streak ended after nearly 2,500 days did Luiz Carlos Dórea train?
Sentence (from "Luiz Carlos Dórea"): Luiz Carlos Dórea Barreto (born March 7, 1965) is a boxing and mixed martial arts trainer from Brazil and is also a retired boxer.
Relevant evidence: No