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.

Q: Context: In 284, emperor Diocletian restored political stability. Link Information: none Answer: none

A: How many people lived in Milan when Diocletian restored political stability after the Crisis of the Third Century?
****
Q: Context: The Queen's Fool by Link Information: none Answer: none

A: How many other books has the author of The Queen's Fool written?
****
Q: Context: William Havemeyer (1770-1851) left Germany at age 15 and arrived in New York City after learning the trade of sugar refining in London. Link Information: The City of New York, usually referred to as either New York City (NYC) or simply New York (NY), is the most populous city in the United States Answer: United States

A:
Which country did Havemeyer emigrated to after he left Germany?
****