Question:  Stipe Miocic has tied the record for most successful title defenses held with Randy Couture, Tim Sylvia, Brock Lesnar an an american mixed martial artists who is ranked what in UFC's official heavyweight rankings?
Sentence (from "Cain Velasquez"): He is a former two-time UFC Heavyweight Champion, with victories over Brock Lesnar and Junior dos Santos.
Relevant evidence: No