So the Formula One season is up and running again this weekend, and this year the Brits have the pleasure of saying: 'We have a world champion.' Unless you were living in a cave for the past year you'd know that Lewis Hamilton is the current champion and he's one of ours. Stranger things have happened. But what do you know about F1? We think you know quite a lot, but have a go at this quiz - there's a few in this 20-question caper to trip you up.
