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: Henry's famous Walk to Canossa Link Information: The Road to Canossa, sometimes called the Walk to Canossa (/Kanossa) or Humiliation of Canossa (), refers to Holy Roman Emperor Henry IV's trek to Canossa Castle, Italy, where Pope Gregory VII was staying as the guest of Margravine Matilda of Tuscany, at the height of the investiture controversy in January 1077 Answer: 1077

Answer: What year did the Walk happen?

Question: Context: The earliest significant archaeological find in the harbour is the Poole Logboat Link Information: he Iron Age vessel was unearthed in 1964 Answer: 1964

Answer: What year was the Poole Logboat found by archaeologists?

Question: Context: A very large snowbelt in the United States exists on the Upper Peninsula of Michigan, near the cities of Houghton, Marquette, and Munising. Link Information: Marquette is a city in the U.S. state of Michigan and the county seat of Marquette County. The population was 21,355 at the 2010 census, making it the largest city of the state's Upper Peninsula Answer: Marquette

Answer:
Which of the cities in the Upper Peninsula of Michigan where a very large snowbelt exists has the largest population?