In which city can you find the head office of an organisation which promotes economic and technological exchanges between Japan and other countries and which is located in the Ginza district of Chūō?
Tokyo
Title: Ginza
Passage: Ginza (銀座 ) is a district of Chūō, Tokyo, located south of Yaesu and Kyōbashi, west of Tsukiji, east of Yūrakuchō and Uchisaiwaichō, and north of Shinbashi.
Title: Doping in China
Passage: China, officially the People's Republic of China (PRC), conduct a state sanctioned doping programme on athletes in the 1980s and 1990s.  The majority of revelations of Chinese doping have focused on swimmers.  The doping programme has been explained as a by-product of the "open door" policy which saw the rapid expansion within China of modern cultural and technological exchanges with foreign countries.
Title: Japan Economic Foundation
Passage: The Japan Economic Foundation (JEF, 国際経済交流財団 "Kokusai Keizai Kōryū Zaidan") is an organization which describes itself as promoting economic and technological exchanges between Japan and other countries.  Its head office is on the 11th floor of the Jiji Press Building (時事通信ビル "Jiji Tsūshin Biru") in Ginza, Chuo, Tokyo.  Previously its head office was on the 11th floor in the Fukoku Seimei Building ( "Fukoku Seimei Biru") in Uchisaiwai-cho, Chiyoda, Tokyo.
Japan Economic Foundation Ginza