Question: Which county houses Altoona and is near Prince Gallitzin State Park? 
Sentence (from "Altoona, Pennsylvania"): The Altoona MSA includes all of Blair County and was recorded as having a population of 127,089 at the 2010 Census, around 100,000 of whom live within a 5 mi radius of the Altoona city center according to U.S. Census ZIP Code population data.
Relevant evidence: No