You hold the lightbulb and every politician screws you!
One, but there are FOUR LIGHTS!
The white amount.
Wanna go swimming?
Trick question! There's no such thing as Nickelback fans. (I will be hated by few)
The Mersenne Twister.
A barrel organ.
They both enjoy handshakes.
A: Two. One to change it and another one to change it back again.