To get to the other side.
19 . Got a problem with that?
Three. One to do it, one to complain that it has already been done before, and one to repost this joke.
It takes two. One to change the bulb and the other to kick the switch.
Ten: one to screw it in and nine to say, "Pssh, I can do that."
Forgetti Bolognese.
Pickles