I'm thinking about the Bridge of Death scene in Monty Python and the Holy Grail.
"Where on the Thames do I measure the flow? And what time of day and day of the lunar month?
"What? I don't know that!" Then the interviewer plunges into the gorge of eternal peril.
And if you are from Sweden you can ask back: how many IT people does it take to eat a single can of surströmming? It is at least as relevant to doing the job well and to mix with locals, isn't it?