Question: Contreras Motorsports was a Mexican professional stock car racing team that fielded the No 71 full-size and heavy-duty pickup truck manufactured by who? 
Sentence (from "Chevrolet Silverado"): General Motors continues to offer a GMC-badged variant of the Chevrolet full-size pickup under the GMC Sierra name, first used in 1987 for its variant of the GMT400 platform trucks.
Relevant evidence: No