None; the Bible doesn't mention any light bulbs.
or
A blushing zebra.
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The entire team! And they all get a semester's credit for it!
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Twenty. One to hold the bulb, two to turn the ladder, and 17 to be on the guest list.
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Two. One to change it and one to act as chaperone.
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100: One to do it and ninety-nine to say "I could've done that."
or
He presses the paws button.
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Because all his other wives support Hillary.
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Five. Four to decide which way the bulb ought to turn, and . . .
or
All of them
or