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: the Khan of Khiva and the Emir of Bukhara Link Information: none Answer: none

Answer: Which place has the highest recorded population, the place where the Khan came from or the place where the Emir came from?


Question: Context: Zabica started his career with Cockburn City before joining Adelaide City for seven seasons, winning National Soccer League championships in 1992 and 1994. Link Information: none Answer: none

Answer: Was Zabica with Cockburn City or Adelaide City longer?


Question: Context: Eygilo, the founder of Prüm Abbey, left his own establishment to become abbot of Flavigny in 860 Link Information: founded by the Frankish widow Bertrada the elder and her son Charibert, Count of Laon, on 23 June 720 Answer: 140

Answer:
How long had Prüm Abbey existed when Eygilo left to become the abbot of Flavigny?