generate questions: There are two major sports centers in Nanjing, Wutaishan Sports Center and Nanjing Olympic Sports Center. Both of these two are comprehensive sports centers, including stadium, gymnasium, natatorium, tennis court, etc. Wutaishan Sports Center was established in 1952 and it was one of the oldest and most advanced stadiums in early time of People's Republic of China.
Which sports center started in 1952? {sep_token} How many major sports centers are located in Nanjing? {sep_token} What type of sports centers are Wutaishan Sports Center and Nanjing Olympic Sports Center considered to be? {sep_token} What is special about Wutaishan Sports Center, from a historical perspective? {sep_token} Both Wutaishan Sports Center and Nanjing Olympic Sports Center contain a stadium, gymnasium, natatorium, and what other facility? {sep_token}