title: Tokyo Dome
context: Tokyo Dome(東京ドーム,Tōkyō Dōmu, TYO: ) is a stadium in Bunkyo, Tokyo, Japan. Construction on the stadium began on May 16, 1985, and it opened on March 17, 1988. It was built on the site of the Velodrome, adjacent to the predecessor ballpark, Kōrakuen Stadium. It has a maximum total capacity of 57,000 depending on configuration, with an all-seating configuration of 42,000.[3][4][5]
question: When was the Tokyo Dome built?
answers: March 17, 1988