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? 

Context paragraphs:
Enrique Contreras III: Enrique Contreras III (born May 22, 1992) is a Mexican professional stock car racing driver.  The Mexico City, Mexico resident has competed in the NASCAR Xfinity Series, Camping World Truck Series, and most notably, NASCAR Mexico Series.  He is the son of former Indy Lights racer Enrique Contreras II and nephew of NASCAR driver Carlos Contreras.

Turner Scott Motorsports: Turner Scott Motorsports (TSM), formerly Turner Motorsports was an American professional stock car racing team that last competed in the NASCAR Sprint Cup Series, the Nationwide Series, the Camping World Truck Series, the K&N Pro Series East and the ARCA Racing Series.  The team was based in Mooresville, North Carolina co-owned by Texas businessman Steve Turner and North Carolina businessman Harry Scott Jr..  The team fielded cars in the NASCAR Xfinity Series, Camping World Truck Series and K&N Pro Series East, utilizing Hendrick Motorsports engines.  Co-owner Scott also owned the unaffiliated Sprint Cup Series team HScott Motorsports.

Athenian Motorsports: Athenian Motorsports was an American professional stock car racing team that last competed in the NASCAR Xfinity Series, the Camping World Truck Series, and the ARCA Racing Series.  In the Xfinity Series, the team last fielded the No. 05 Zaxby's Chevrolet Camaro part-time for John Wes Townley.  In the Camping World Truck Series, the team last fielded the No. 05 Zaxby's Chevrolet Silverado full-time for part-time drivers: Townley, Parker Kligerman, Brady Boswell, and Cody Coughlin.  In the ARCA Racing Series, the team last fielded the No. 05 Zaxby's Chevrolet Impala part-time for Townley.  The team was sponsored by Zaxby's Chicken Restaurants, co-founded by John Wes' father and team owner Tony Townley, and the team name is likely a reference to the company's home in Athens, Georgia.  The team closed down in 2017, and sold its owner points to MDM Motorsports' No. 99 team.

Carlos Contreras (racing driver): Carlos Contreras (born June 8, 1970) is a Mexican professional stock car racing driver and Crew Chief.  He was the first Mexican-born driver racing full-time in any NASCAR national series.  He has competed in the Craftsman Truck Series (now Camping World Truck Series) and Busch Series (now Xfinity Series), and currently drives in the Truck Series part-time for Contreras Motorsports in the No. 71 Chevrolet Silverado.

Chevrolet Silverado: The Chevrolet Silverado, and its mechanically identical cousin, the GMC Sierra, are a series of full-size and heavy-duty pickup trucks manufactured by General Motors and introduced in 1998 as the successor to the long-running Chevrolet C/K line.  The Silverado name was taken from a trim level previously used on its predecessor, the Chevrolet C/K pickup truck from 1975 through 1998.  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.

Contreras Motorsports: Contreras Motorsports was a Mexican professional stock car racing team that competed in the NASCAR Camping World Truck Series.  The team was owned by Carlos Contreras and his nephew Enrique.  The team fielded the No. 71 Chevrolet Silverado full-time for various drivers.  During operation, they were currently the only Mexican team in the three national divisions of NASCAR.

Hendrick Motorsports: Hendrick Motorsports (HMS), originally named All Star Racing, is an American professional stock car racing team that currently competes in the Monster Energy NASCAR Cup Series.  The team, created in 1984 by Rick Hendrick, is one of stock car racing's premier organizations.  As of 2016, Hendrick Motorsports has won twelve Monster Energy Cup Series owners and drivers championships, three Camping World Truck Series owners and drivers titles, and one Xfinity Series drivers crown, 240 Monster Energy NASCAR Cup Series victories, 26 Xfinity Series wins, and 26 Camping World Truck Series victories.  As of the 2016 season, the team has won a Monster Energy NASCAR Cup Series race on every track on the current circuit – except for Kentucky Speedway, which has only been on the circuit since 2011.

Copp Motorsports: Copp Motorsports is an American professional stock car racing team that currently competes in the NASCAR Camping World Truck Series.  The team is owned by D. J. Copp.  They currently field the No. 83 Chevrolet Silverado for Todd Peck and Donnie Levister, and the No. 36 Chevrolet part-time for Camden Murphy.  Copp purchased the assets of Contreras Motorsports in early 2017 to make the team.

Lira Motorsports: Lira Motorsports is an American professional stock car racing team that last competed in the NASCAR Camping World Truck Series, and the ARCA Racing Series.  Owned by Carlos and Amanda Lira, the team made its debut in the ARCA Racing Series in 2015, fielding multiple cars and drivers throughout the year.  The team made its Camping World Truck Series debut on November 20, 2015 at Homestead-Miami Speedway.  Lira Motorsports also fields cars in NASCAR Whelen All-American Late Model Series competition.  Lira Motorsports is a driver development satellite team for Roush Fenway Racing.

Toyota Tundra: The Toyota Tundra is a pickup truck manufactured in the United States by the Japanese manufacturer Toyota since May 1999.  The Tundra was the first North American full-size pickup to be built by a Japanese manufacturer.  The Tundra was nominated for the North American Truck of the Year award and was Motor Trend magazine's Truck of the Year in 2000 and 2008.  Initially built in a new Toyota plant in Princeton, Indiana, production was consolidated in 2008 to Toyota's San Antonio, Texas, factory and is the only full-size pickup truck manufactured in Texas.

Supporting paragraphs: Contreras Motorsports Chevrolet Silverado
Answer: General Motors