Claim: In the Japanese Roller Hockey National Championship (team sport played on roller skates) the Seibu Club has the most number of championships which was eleven and the Tokyo Club has the least which was one.
Evidence: The Japanese Roller Hockey National Championship is the biggest Roller Hockey Clubs Championship in Japan. Japanese Roller Hockey National Championship Rink hockey Roller hockey (in British English), rink hockey (in American English) or quad hockey is a team sport played on roller skates. Hakusan Club 11 Seibu Club 5 Tokyo Club 1 Yomiuri Land 1 Oriental Classic 1