Title: Heisei 8-nen 10-gatsu 27-nichi shikkō Okayama-ken chiji senkyo, Heisei 8-nen 8-gatsu 1-nichi shikkō Okayama Kaiku Gyogyō Chōsei Iinkai iin senkyo, Heisei 8-nen 9-gatsu 27-nichi shikkō Okayama Kaiku Gyogyō Chōsei Iinkai iin hoketsu senkyo kekka shirabe