user: Question: What is Current Rank, when Ring Name is Kimurayama Mamoru?
Columns: ['Ring name', 'Current rank', 'Debut', 'Stable', 'Birthplace']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Aminishiki Ryūji', 'e0 Maegashira 1 West', '1997-1', 'Isegahama', 'Aomori']
SQL:

assistant: SELECT "Current rank" FROM "Table" WHERE "Ring name" = 'Kimurayama Mamoru';