It doesn't matter, they don't have any electricity any more.
or
The police had to comb the area.
or
Only one, but she/he'll have to go out and buy the light bulb adaptor card first, which is extra.
or
"Ten billion dollars and high cholesterol!"
or
Two. One to exploit the proletariat, and one to control the means of production!
or
Only one, but it may take upwards of five years for him to get it done.
or