At the Whale-weigh station.
or
Two. One to assure the everything possible is being done while the other screws the bulb into the water faucet.
or
What's the use, they'd still have bear feet
or
Two. One to take out the bulb and drop it, and the other to try and sell it before it crashes (knowing that it's already burned out).
or
Two, one to call the electrician, and one to mix the drinks.
or