An answer is given. Generate a question for which the given answer is either a direct or partial answer.

[EX Q]: Answer: robert anderson (civil war)
[EX A]: who was the confederate commander during the battle of fort sumter?

[EX Q]: Answer: mount rainier
[EX A]: what mountain has the highest elevation in washington?

[EX Q]: Answer: senate
[EX A]:
barack obama served in illinois as?