You weren't there, man!
Seven. One to install the bulb and six to figure out what to do with the old one for the next 10,000 years
One after reflecting in the twilight on the merit of the previous bulb.
Twelve. Three to Physically Change the Bulb, Three to Talk About How Complicated it Was and Six to Call themselves Electricians.
We don't know. Light bulbs last longer than studio executives.
Cause Charlie don't serf.
Because they knew they would Nguyen.