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.
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Question: Context: During World War II he was employed as a mathematician at the U.S. Ballistic Research Laboratory in Maryland. Link Information: During World War II he was employed as a mathematician at the U.S. Ballistic Research Laboratory in Maryland. Answer: Aberdeen Proving Ground, Maryland

Answer: What city the place in that Morrey was employed as a mathematician during World War II?


Question: Context: During the process of electing Leopoldo Calvo-Sotelo as Spain's new president in February 1981 Link Information: Leopoldo Ramón Pedro Calvo-Sotelo y Bustelo, 1st Marquess of Ría de Ribadeo (; 14 April 1926 – 3 May 2008) Answer: 55

Answer: How old was Leopoldo Calvo-Sotelo when elected president?


Question: Context: who later renamed themselves Led Zeppelin. Link Information: who later renamed themselves Led Zeppelin. Answer: 1968

Answer:
In what year did the Yardbirds rename themselves Led Zeppelin?