Question: What is a borough in Lehigh County, Pennsylvania  located 20 miles north of a city in Lehigh and Northampton counties in the Lehigh Valley region of the eastern portion of the U.S. state of Pennsylvania?
Sentence (from "Bethlehem, Pennsylvania"): Of this, 55,639 were in Northampton County, and 19,343 were in Lehigh County.
Relevant evidence: No