Question: Chevrolet Silverado 250 is held at the track located in what Ontario city?
Sentence (from "Chevrolet Silverado 250"): The Chevrolet Silverado 250 is a NASCAR-sanctioned stock car race, held at Canadian Tire Motorsport Park (Mosport) as part of the NASCAR Camping World Truck Series tour, first held in 2013.
Relevant evidence: Yes