One, but when he unscrews the bulb, the lights go out and your xbox is gone.
Just one. But he has to check it 100 times one for each watt.
Just one. He holds the bulb and the room spins.
Two, one to hold the bulb and one to rotate the universe.
Two. One to hold the bulb, and one to drink until the room starts spinning.
None, because they can't change anything.
Only one but he has to have a nurse to tell him which end to screw in.
I can go to sleep with a light on
none because There is A Light That Never Goes Out.
Since they run away from lions , but he nearest village is 10km away.....
Because it has a little Seoul in it.
Cos 720 is 1
He was syncing too much time into it.
You can unscrew a lightbulb.