In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Context: William H. Poteat (19 April 1919 17 May 2000) was an American philosopher, scholar, and charismatic professor of philosophy, religion, and culture at the University of North Carolina at Chapel Hill from 1947 to 1957 and at Duke University from 1960 to 1987. Link Information: none Answer: none
What was the total attendance at Duke University the final year that Poteat was a professor there?