Two. One to screw it in and one to take credit for it.
Two. 1 to screw it in, and 1 to complain that it's not dark enough.
It's a pretty obscure number. You probably haven't heard of it.
They don't change it, they just take forever to find where to fit the batteries
Two. Plus a portable phone an Internet link and a copy of the "Bluffer's Guide to Changing Lightbulbs."
Two! But don't ask me how they got inside there.
Three. One to hold the light bulb and two to spin the ladder.
It was the Wong choice
TL;DR
Credit to Steve Higgins from The Tonight Show.
Sorry, still calling you Bruce! I found this on Facebook somewhere; I dunno who to get credit to.