Input question: In the grounds of which building is the cannon called 'Mons 'Meg'?

Output answer: edinburgh castle

Input question: For how long does Rip Van Winkle sleep in Washington Irving's story ?

Output answer: 20 years

Input question: Which British Formula One World Motor Racing Champion was also World Motorcycling Champion?

Output answer: john surtees

Input question: What are the bottom-most 3 to 5 fused vertebra of the backbone called?

Output answer:
coccygeal