question: What is the answer: Which rank of the peerage is directly below a duke?
answer: marquis

question: What is the answer: What is the process of splitting atoms called?
answer: fission

question: What is the answer: Which English aristocrat and explorer secretly married Elizabeth Throckmorton in 1591?
answer: sir walter raleigh

question: What is the answer: Although it was headquartered at Oak Ridge, TN, and the University of Chicago, what was the name of the WWII project that created the atomic bomb?
answer:
manhattan project