I've got this neat candle holder...
Only 2, but I have no idea how you're gonna fit both of them inside a lightbulb.
Five. It's a huge problem.
Six. One to do it and five to smash the old bulb to splinters.
What sort of answer did you have in mind None-just assume it's changed.
Should it really be a lightbulb?
Does it have to be a light bulb? I've got this neat candle holder...