Election 2015: Five answers for an election geek

Are you the ultimate election geek?

Can you remember the swing percentage in your aunt's constituency from 1979? Do you know where Margaret Thatcher stood before winning in Grantham?

Jeremy Vine answers his five questions to sort the first-past-the-post from the proportionately under-represented.

If you have a question you would like to submit for Jeremy to answer, you can send it to haveyoursay@bbc.co.uk.