question: What is the answer: Which John Legend song knocked Pharell Willams completely off the No.1 spot on the US Billboard
answer: all of me

question: What is the answer: Jazz musician McCoy Tyner plays which instrument?
answer: piano

question: What is the answer: In which century did the plague known as 'The Black Death' occur?
answer: 14th

question: What is the answer: How many signs of the Zodiac are human?
answer:
3