query: 相撲部屋を新しく作るには、どのような資格が必要ですか？
answers: former wrestlers wishing to branch out (namely, those ranked below "yokozuna" or "ōzeki" must have spent at least 60 tournaments in the top "makuuchi" division or 25 in the titled "san'yaku" ranks) belong to one of five groups, called "ichimon"