Question: The 1915 Oregon Agricultural Aggies football team played their home games at Bell Field in a city in central western Oregon, that is the county seat of what county?
Sentence (from "1915 Oregon Agricultural Aggies football team"): In their third and final season under head coach E. J. Stewart, the Aggies compiled a 5–3 record (0–2 against PCC opponents) and were outscored by their opponents by a combined total of 166 to 73.
Relevant evidence: No