Question: Which Japanese mixed martial artist is the former DREAM Openweight Grand Prix Champion was once defeated by Kiyoshi Tamura?
Sentence (from "Ikuhisa Minowa"): A professional competitor since 1996, he was a longtime veteran of PRIDE and Pancrase and has also competed in other mixed martial arts promotions such as K-1 Hero's, Cage Rage, the SFL, Vale Tudo Japan, UFC, DREAM, and DEEP.
Relevant evidence: No