Question: What is the current stage name of the professional wrestler, in which Kiyoshi Tamura beat and who is the former DREAM Openweight Grand Prix Champion?
Sentence (from "Kiyoshi Tamura"): He has competed in some form or another for the following organizations: Universal Wrestling Federation, UWF International, Fighting Network RINGS, K-1, PRIDE, and U-STYLE, his own promotion, often fighting much larger opponents.
Relevant evidence: No