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: He was the son of Henry Andrade Harben and the grandson of Sir Henry Harben Link Information: Henry Andrade Harben FSA (12 August 1849 - 18 August 1910) Answer: 26

Answer: What is the age difference between Harben's father and grandfather?


Question: Context: then threw a 1-yard TD pass to TE Link Information: Brandon Michael Manumaleuna (; born January 4, 1980) Answer: 26

Answer: How old was the player who caught a 1-yard pass when he began playing for the Chargers?


Question: Context: The track became the best-selling digital song of all time until it was surpassed by Pharrell Williams' "Happy" in 2014. Link Information: Pharrell Lanscileo Williams (; born April 5, 1973) Answer: 41

Answer:
How old was the artist when his song "Happy" took the title of best-selling digital song of all time?