Table:
text: Special cities of Japan
List of special cities
List of special cities
Name_ Japanese Population_2012_ Date_of_designation Region Prefecture
Tokorozawa 所沢 342321 2002-04-01 Kantō Saitama
Tottori 鳥取 196538 2005-04-01 Chūgoku Tottori
Tsukuba つくば 216221 2007-04-01 Kantō Ibaraki
Yamagata 山形 254519 2001-04-01 Tōhoku Yamagata
Yamato 大和 230357 2000-04-01 Kantō Kanagawa
Yao 八尾 270735 2001-04-01 Kansai Osaka
Yokkaichi 四日市 307599 2000-04-01 Kansai Mie

Question: Which region among the special cities of Japan has the symbol 八尾?