Table:
text: List of prefectural capitals in Japan
List of Japanese prefectural capitals
List of Japanese prefectural capitals
Capital Prefecture Region Island Pop_¹
Miyazaki Miyazaki Kyūshū Kyūshū 368984
Morioka Iwate Tōhoku Honshū 298959
Nagano Nagano Chūbu Honshū 377328
Nagasaki Nagasaki Kyūshū Kyūshū 446551
Nagoya Aichi Chūbu Honshū 2243564
Naha Okinawa Kyūshū Ryūkyū Islands 313436
Nara Nara Kansai Honshū 366863
Niigata Niigata Chūbu Honshū 811613
Oita Ōita Oita Ōita Kyūshū Kyūshū 467617
Okayama Okayama Chūgoku Honshū 700646
Osaka Osaka Kansai Honshū 2649601
Otsu Ōtsu Shiga Kansai Honshū 330044
Saga Saga Kyūshū Kyūshū 239003
Saitama Saitama Kantō Honshū 1197471
Sapporo Hokkaidō Hokkaidō Hokkaidō 1896704
Sendai Miyagi Tōhoku Honshū 1029576
Shinjuku Tokyo Kantō Honshū 314262
Shizuoka Shizuoka Chūbu Honshū 709888
Takamatsu Kagawa Shikoku Shikoku 417671
Tokushima Tokushima Shikoku Shikoku 265248

text: List of prefectural capitals in Japan
List of Japanese prefectural capitals
List of Japanese prefectural capitals
Capital Prefecture Region Island Pop_¹
Tottori Tottori Chūgoku Honshū 199319
Toyama Toyama Chūbu Honshū 420584
Tsu Mie Kansai Honshū 287849
Utsunomiya Tochigi Kantō Honshū 508114
Wakayama Wakayama Kansai Honshū 371504
Yamagata Yamagata Tōhoku Honshū 254724
Yamaguchi Yamaguchi Chūgoku Honshū 191714
Yokohama Kanagawa Kantō Honshū 3643641

text: List of prefectural capitals in Japan
List of Japanese prefectural capitals
List of Japanese prefectural capitals
Capital Prefecture Region Island Pop_¹
Akita Akita Tōhoku Honshū 327651
Aomori Aomori Tōhoku Honshū 304657
Chiba Chiba Kantō Honshū 943568
Fukui Fukui Chūbu Honshū 268210
Fukuoka Fukuoka Kyūshū Kyūshū 1434650
Fukushima Fukushima Tōhoku Honshū 288602
Gifu Gifu Chūbu Honshū 411753
Hiroshima Hiroshima Chūgoku Honshū 1164885
Kagoshima Kagoshima Kyūshū Kyūshū 604268
Kanazawa Ishikawa Chūbu Honshū 455952
Kobe Kobe Hyōgo Kansai Honshū 1532305
Kochi Kōchi Kochi Kōchi Shikoku Shikoku 345418
Kofu Kōfu Yamanashi Chūbu Honshū 198757
Kumamoto Kumamoto Kyūshū Kyūshū 670014
Kyoto Kyoto Kansai Honshū 1468065
Maebashi Gunma Kantō Honshū 317167
Matsue Shimane Chūgoku Honshū 195008
Matsuyama Ehime Shikoku Shikoku 514771
Mito Ibaraki Kantō Honshū 263299

Question: Among the prefectural capitals in Japan, give the average population for Chūgoku and Okama Prefecture. ?