Robert Sheckley's Ask a Foolish Question, narrated by Rebecca Thomas, gives us the Answerer, who can answer any question...as long as you ask the right question. But finding the right question to ask can be harder than you think.
It's out there, and it's name is the Answerer. It knows the answer to everything, if you know how to ask the question.
"A Thought Provoking Short Story"