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: Right fielder Larry Walker retired. Link Information: Larry Kenneth Robert Walker (born December 1, 1966) Answer: 40

Answer: How old was the Cardinals right fielder when he retired?


Question: Context: Ripley's Believe It or Not! is the name of several documentary television series based on the newspaper feature. The first series aired on NBC from 1949 to 1950 Link Information: none Answer: none

Answer: How much money did NBC make the first year Ripley's Believe It or Not! aired on the network?


Question: Context: The Great Depression had accelerated the process of urbanization of the Democratic Party Link Information: Economic historians usually consider the catalyst of the Great Depression to be the sudden devastating collapse of U.S. stock market prices, starting on October 24, 1929 Answer: 12

Answer:
How many years did the event last which accelerated the process of urbanization of the Democratic Party?