In this task, you will be presented with a question and you have to answer the question based on your knowledge. Your answers should be as short as possible.

Q: What is the difference of the average of the 5 stadiums with the most seats and five stadiums with the least seats ?

A: 21450
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Q: How many people does an arena hold where a team plays in a city that is about 30 kilometers northeast of Barcelona ?

A: 5,685
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Q: What anniversary was celebrated in 2018 by the team who hosted the North American team whose colours were blue and white six years before that North American team hosted América for a CONCACAF Champions League match on April 29th ?

A:
35th
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