We're on our sixth.
f(x), where f(x) = the optimal number of x for establishing a humorous stereotype.
4 no 5 no 6 no its really 4 - not sure, better flip a coin to get the right number
A: Two. One to change it and another one to change it back again.
One less now, because the one who tried to steal the light bulb was shot by the cops.
the Sixth German Panzer Division