A: Only one but he'll tell everybody.
Two. One to hold the ladder and one to screw your mother - I mean light bulb!
It's a pretty obscure number. You probably haven't heard of it.
I don't know you tell me.
To get another degree. My sister thought it up and found it so funny she called to tell me.
A: Six. One to screw in the lightbulb and five to fend off all those Californians trying to share the experience.
Two! one to change the light bulb and the other to rotate the universe!
He committed barbercide.
Let me hear something different.