In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
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Question: Context: Camp Chase was an American Civil War training and prison camp established in May 1861 Link Information: William Dennison Jr. (November 23, 1815 – June 15, 1882)  Question: How old was William Dennison Jr the year Camp Chase was established?

Answer: Answer: 45


Question: Context: Before the start of the 1974–75 season they traded future Hall of Famer Nate Thurmond to the Chicago Bulls Link Information: Thurmond was drafted by the San Francisco Warriors Question: How many NBA teams did the man play for who the Warriors traded to the Bulls?

Answer: Answer: 3


Question: Context: With , the Tallgrass Prairie Preserve in north-central Oklahoma is the largest protected area of tallgrass prairie in the world and is part of an ecosystem that encompasses only 10 percent of its former land area, once covering 14 states. Link Information: The Tallgrass Prairie Preserve, located in Osage County, Oklahoma near Foraker, Oklahoma, is owned and managed by The Nature Conservancy. It is protected as the largest tract of remaining tallgrass prairie in the world. The preserve contains 39000 acre owned by the Conservancy and another 6000 acre leased in what was the original tallgrass region of the Great Plains that stretched from Texas to Manitoba.

 Question: How many acres is the largest protected area of tallgrass prairie in the world?

Answer:
Answer: 45000