Question: What nationality were the Tag team wrestlers the Haas Brothers?
Sentence (from "KO-D 6-Man Tag Team Championship"): The inaugural KO-D 6-Man Tag Team Champions were determined on January 12, 2013, in a four-team single-elimination tournament, which saw Team Drift (Keisuke Ishii, Shigehiro Irie and Soma Takao) defeat Team Shiro (Akito, Makoto Oishi and Sanshiro Takagi) in the finals to win the title.
Relevant evidence: No