Warming UP
List all regions using English as non primary language;
From this list enumerate all cities with a population between 10.000 and 500.000.
From the first list identify the city with the largest population and the one with the smaller.
From the list cities with largest population, identify which one is the one with bigger Life Expectancy
Don’t use internal functions (like MAX() MIN() AVG()), ONLY one join is allowed per STORE PROCEDURE.

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