They got 1.9% of the vote, which, under a pure proportional representation system, would give them... 12 seats.
(,
Fri 7 May 2010, 19:39,
archived)
and the button is in a special fortress in the middle of each constituency, and if the locals manage to storm the place they are entitled to press it during a televised debate.
(,
Fri 7 May 2010, 19:44,
archived)