Two: One to screw it in and one to observe how the light bulb itself symbolizes a single incandescent beacon of subjective reality in a netherworld of endless absurdity reaching out toward a maudlin cosmos of nothingness.
You can throw away your light bulbs. Just douse the cat with gasoline, light it up with a match, and you'll have all the light you need. (Comment: BLEAH!)
One team, but they'll label every piece of the old one, mark its location in the room, and write a detailed description before determining that it was used to store cornmeal.