One to generate a "ChangeLightBulb" event to the socket.
None, they prefer natural light
None, they all know someone that does it for them.
One
One, ......A Greek will screw anything!
You've got no class.
So they aren't lying when they say they like Java.
Three. One to administer the anaesthetic one to extract the light bulb and one to offer the socket some vile pink mouthwash.
Two. One to hold it in the socket and the other to drink until the room starts spinning!
A fission-chips shop.
Because they don't C#.