One; after reflecting in the twilight on the merit of the previous bulb.
or
Slippers.
or
It wasn't raining!
or
Five: one to handle the bulb and four to contemplate how David Sanborn would've done it.
or
Well, first let's talk about the concept behind this whole "light bulb" thing.
or
Chili
or
They are both rolling in the dough!
or
None. They just let Marketing explain that "Dead Bulb" is a feature.
or