All you have to do to enter is fill in the form below, answering the question correctly…
Competition closes Friday 16th October 2015 at 23:59 BST. UK entrants only. Only one entry will be accepted per entrant. If you enter more than once only your first entry will count. Must get the question right to be in with a chance of winning.
The 3 winners will be notified via email within 7 days of the competition closing and will have 7 days to accept their prize.
With thanks to Acorn DVD