Question: How do I select only certain elements from a set and create a new set?

I have the set {1, 2, 3, 4, 6, 8, 12, 17, 19, 20} and i need to select all the elements between 5 and 15 and create another set with just those elements. So, I want to obtain the set {6,8,12}. How might that be done using the select( ) command? Other suggestions welcome.

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