It's time to go to sweep.
or
The hundred yard dash.
or
The question is irrelevant, since you couldn't find the dolls even if you knew how many. (Note: Well, this was a good joke in 1983-84. . . .)
or
Chili
or
Only one, but she/he'll have to go out and buy the light bulb adaptor card first, which is extra.
or
Because they only know their ABCs "Anybody But Clinton".
or