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'.
Q: Context: In 1987, he joined the American Institute of Physics, where he served as Director of Physics Programs. Link Information: Its corporate headquarters are at the American Center for Physics in College Park, Maryland Question: In what city did Rigden work as the Director of Physicas Programs?
A:
Answer: College Park, Maryland