None: A `Real Woman' would have plenty of real men around to do it.
or
The baker, because he has lots of dough.
or
Should've been called Look Who's Hawking, that's my only criticism.
or
Once you deport Juan you deport Jamal.
or
A porcupine with split ends
or
Five: one to handle the bulb and four to contemplate how David Sanborn would've done it.
or
Only one, but she/he'll have to go out and buy the light bulb adaptor card first, which is extra.
or