Input question: Which musical instrument was associated with Jacqueline du Pre?

Output answer: cello

Input question: What nationality is tennis star Novak Djokovic?

Output answer: serbian

Input question: Ride of the Valkyries is the official quick march of which branch of the British Army?

Output answer: parachute regiment

Input question: Which Greek mathematician, physicist, engineer, inventor, and astronomer used the method of exhaustion to calculate the area under a parabola, and provided formulas for the volumes of surfaces of revolution and a system for expressing very large numbers?

Output answer:
archimedes