instruction:
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.
question:
Context: When Harry Truman became president in April 1945, upon FDR's death, the vice presidency Link Information: As such Truman selected Alben Barkley of Kentucky as his running mate in the 1948 presidential election. When Democrats regained control as a result of the 1948 elections, Answer: 8
answer:
How many years was Harry Truman president?


question:
Context: he composed music for Walt Disney Pictures’ Christopher Robin, which also featured his guitar and vocal performances. Link Information: The film is inspired by A. A. Milne and E. H. Shepard's Winnie-the-Pooh books Answer:  by A. A. Milne and E. H. Shepard's Winnie-the-Pooh books
answer:
What was the Walt Disney movie inspired by that Jacobs composed the music for and also featured his guitar and vocal performances?


question:
Context: was a Union Army lieutenant colonel, engineer regiment commander and chief engineer for the defenses of Washington during the Link Information: he served in the Answer: American Civil War.
answer:

Which of the two wars that Barton was in lasted longer?