I don't watch, 'who wants to be a millionaire' as I can't stand Chris Tarrent. But sometimes I do get to watch it as it's the better of all evils. You some times get the silly players who can't answer their names without having to phone a friend.
But when you get asked the following question, one would expect you to know the answer.
What rotates around the earth? A the Moon, B The Sun C Mars D Venus.
I will leave you to watch the video.