Task: Explanation
Input (English): Western Pennsylvania refers to the western third of the state of Pennsylvania in the United States. Pittsburgh is the region's principal city, with a metropolitan area population of about 2.4 million people, and serves as its economic and cultural center. Erie, Altoona, and Johnstown are its other metropolitan centers. As of the 2010 census, Western Pennsylvania's total population is nearly 4 million. Question: What was the 2010 total population of the actual region of Pennsylvania in which the fiction town of Rustbelt was located in Family Values? Answer: nearly 4 million
Output (English):  As of the 2010 census, Western Pennsylvanias total population is nearly 4 million.