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.

Context: Milo was the niece of John W. Abercrombie, U.S. congressman from Alabama Link Information: Elected to the Alabama Senate, Abercrombie served from 1896 through 1898 Answer: 2
How long did Milo's uncle serve in the U.S. Congress?

Context: He made five tackles in the Apple Cup win at Washington State Link Information: none Answer: none
How many Apple Cup games had been played in history before Thompson made five tackles during the game he played before  he was declared for the NFL draft?

Context: Charlemagne allied with Khan Krum of Bulgaria and the Croatian duke Vojnomir Link Information: none Answer: none

Which ruler that Charlemagne allied with ruled for a longer period of time?