Question: Question: Where was the 1991 World Table Tennis Championship tournament held? If there is no answer, please output "Insufficient information to provide an answer.". Movie title: As One Context: "As One" recounts the dramatic tale of the first unified Korean team that competed at the 1991 World Table Tennis Championships in Chiba, Japan. South Korea's ping-pong star Hyun Jung Hwa and North Korea's Li Bun Hui have each suffered humbling defeats at the hands of China's formidable Deng Yao Liang (also know as the "Ping-Pong Witch") every time they reach the final rounds of tournaments. Forced by politicians to suddenly team up as the first united Korea team since the beginning of the war, Hyun and Li experience only conflict and mistrust, and face the loss of their championship dreams. But game-by-game, the two begin to build teamwork and find a budding friendship. When political winds change again, and just as suddenly an announcement is made to disband team Korea, the two young women must prove to their people and the world that teamwork can outshine the dark shadows of a painful history.
Answer:
Chiba, Japan