Problem: What is the name of the surface used to play a game of curling?
Answer: sheet

Problem: Rugby league. Which European Super League team are known as the 'Giants'?
Answer: huddersfield

Problem: The structural integrity of the Howrah Bridge in Kolkata (Calcutta) India, which daily carries 60,000 vehicles and 50,000 pedestrians, was reported (2010) to be under corrosive attack from what?
Answer: human spitting

Problem: How many astronauts have walked on the Moon?
Answer:
12