Six. One to do it and five to smash the old bulb to splinters.
FORE!
Just one. But he has to check it 100 times one for each watt.
Need to know ASAP.
Three. One to change it while the other two argue about how old the old one is.
Mack-u-la!
He had a staff infection...
One's really fun to smash with a sledge-hammer and the other is just a watermelon
Two. One to change the bulb and one to sing about how grand the old bulb was.