Q: You are given a passage. You need to construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) its answer is the whole paragraph. Avoid creating questions that can be answered correctly without actually understanding the paragraph.
4233 people over 12 years have also tried to answer this question, see: http://www.armory.com/swallow.html

You're obviously a Monty Pyhton fan, following is from Monty Python and the Holy Grail:

Bridgekeeper: What... is your quest?
Arthur: To seek the Holy Grail.
Bridgekeeper: What... is the air-speed velocity of an unladen swallow?
Arthur: What do you mean? An African or European swallow?
Bridgekeeper: Huh? I-- I don't know that! Auuuuuuuugh!
Bedevere: How do know so much about swallows?
Arthur: Well, you have to know these things when you're a king, you know.
A:
What is the average airspeed velocity of an unladen swallow?