One to unscrew it, and one to hold the ladder.
69
None. They'll sit in the dark and blame the Jews
A: Twenty. 1 to hold the bulb 2 to turn the ladder and 17 to be on the guest list.
A: One to start screwing it in and the rest to vote 'em off the ladder.
A Baboom!
She doesn't, she just holds it in the socket and waits for the world to revolve around her.
A: None: Leos are so enthusiastic they carry their own light.
Reptile disfunction
A Freudian slip.
Two. One to hold the ladder and one to screw your mother - I mean light bulb!