Watch this episode from the British serial "Yes, Minister." Below the clip, the makers of the episode explain how they had come up with it.
The basic idea of each episode came in a variety of ways... Sometimes
completely out of our own imaginations. An example of the latter would
be the episode on the National Health Service in which we invented a
hospital with five hundred administrative staff but no doctors, nurses
or patients. This hospital won the Florence Nightingale Award for the
most hygienic hospital in the country. After inventing this absurdity,
we discovered there were six such hospitals (or very large empty wings
of hospitals) exactly as we had described them in our episode, notably
one in Cambridgeshire in which there was only one patient: the Matron
(head of nursing staff) who had fallen over some scaffolding and broken
her leg.
