Three:
One to write the light bulb removal program,
one to write the light bulb insertion program, and
one to act as a light bulb administrator to make sure nobody else tries to change the light bulb at the same time.
or
Because sometimes you can get rid of cancer.
or
Six. One to turn the bulb, one for support, and four to relate to the experience.
or
Weeeeeeeeeeeeeeeeeeeeeeeeeee
or