. . "菅原道彦" . "菅原道彥" . "Sugawara"@en . "Michihiko Sugawara"@en . . "スガワラ" . "Dao" . "菅原道彥" . "道彦" . "Dao yan. Jian yuan" . "菅原" . "ミチヒコ スガワラ" . . "Michihiko"@en . . "Michihiko Sugawara" . "yan. Jian" . "道彥" . "ミチヒコ" . "Jian yuan" . "菅原道彥" . "菅原道彦" . "道彥 菅原" . . "道彦 菅原"@ja-JP . . . "1945" . "菅原道彦" .