Question: 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?
Sentence (from "Japan Economic Foundation"): 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.
Relevant evidence: Yes