One. But he doesn't screw it in, he just holds it and the world revolves around him.
A Brazilian.
Bingo!
Uh...standby I'll check on that.
One to generate a "ChangeLightBulb" event to the socket.
Just one to hold the bulb while the world revolves around them.
Just one. He holds up the light bulb, and the world revolves around him
One. He stands in place while the whole world revolves around him.
One. They just hold the bulb in place and the world revolves around them.