Question: Which town, located in the metropolitan area of Belfast, is home to the oldest surviving specialist racing car manufacturer in the United Kingdom?

Context articles: Joe Potts
Audi R18
Crosslé Car Company
Holywood
Audi R10 TDI
Brabham
Mygale
Aston Martin DBR4
Virgin MVR-02
Porsche 919 Hybrid

Joe Potts was a British racing driver, turned racing car manufacturer, of the 1950s.
 He designed and constructed his 'JP' racing cars for the Formula 3 and Formule Libre racing classes.
 These remain the only single-seater racing cars to come from Scotland.
The Audi R18 is a Le Mans Prototype (LMP) racing car constructed by the German car manufacturer Audi AG.
 It is the successor to the Audi R15 TDI.
 Like its predecessor, the R18 uses a TDI turbocharged diesel engine but with a reduced capacity of 3.7 litres and in a V6 configuration.
 For the first time since the 1999 R8C, Audi's Le Mans prototype uses a closed cockpit design.
 The R18 is also the first racing car from Audi to feature hybrid power.
The Crosslé Car Company Ltd. is a racing car manufacturer based in Holywood, Northern Ireland.
 Crosslé was founded in 1957 by John Crosslé.
 Crosslé is the oldest surviving specialist racing car manufacturer in the United Kingdom.
Holywood ( ) is a town in the metropolitan area of Belfast in County Down, Northern Ireland.
 It is a civil parish and townland of 755 acres lying on the shore of Belfast Lough, between Belfast and Bangor.
 Holywood Exchange and Belfast City Airport are nearby.
 The town hosts an annual jazz and blues festival.
The Audi R10 TDI, usually abbreviated to R10, is a racing car from the German car manufacturer Audi.
 The car is a classic at Le Mans, winning every year since its introduction until it was replaced by the R15.
 It is designed and constructed for sports car racing in the Le Mans Prototype LMP1 class of the 24 Hours of Le Mans, and other similar endurance races.
 The car was unveiled 13 December 2005 at 12:00 CET, and went on to win both its maiden race at the 2006 12 Hours of Sebring in March, and the June 2006 24 Hours of Le Mans.
Motor Racing Developments Ltd., commonly known as Brabham , was a British racing car manufacturer and Formula One racing team.
 Founded in 1960 by two Australians, driver Jack Brabham and designer Ron Tauranac, the team won four Drivers' and two Constructors' World Championships in its 30-year Formula One history.
 Jack Brabham's 1966 Drivers' Championship remains the only such achievement using a car bearing the driver's own name.
Mygale Racing Car Constructor (Mygale SARL) is a French racing car manufacturer that specialises in the production of single seater chassis for use in formula racing.
 It is most notable for its Formula Ford Chassis'.
 Mygale also produces the chassis used by in Formula Renault, Formula BMW and Formula Three.
 The company was established in 1989 by Bertrand Decoster and its factory is based in the Technopole of Magny-Cours, France.
The Aston Martin DBR4/250, commonly referred to simply as the DBR4, is a Formula One racing car, designed by Ted Cutting for the sports car manufacturer Aston Martin.
 Following notable successes in sports car racing during the mid- to late-1950s — culminating in winning the 24 Hours of Le Mans endurance race and the World Sportscar Championship title in 1959 — the DBR4 was intended to repeat this success in the highest tier of open-wheel racing.
The Virgin MVR-02 is a Formula One racing car designed by Wirth Research for Marussia Virgin Racing, and used by them during the 2011 Formula One season.
 Like its predecessor, the Virgin VR-01, the MVR-02 was designed entirely with computational fluid dynamics, with Nick Wirth's design studio doubling their CFD capacity ahead of the 2011 season.
 The addition of the "M" in the car's chassis designation reflected the team's new owner, Russian sports car manufacturer Marussia Motors.
 The car was unveiled in London on 7 February 2011, and was driven during the racing season by returning driver Timo Glock and debutant Jérôme d'Ambrosio.
The Porsche 919 Hybrid is a sports-prototype racing car constructed by the German car manufacturer Porsche for use in the Le Mans Prototype 1-Hybrid (LMP1-H) category of the FIA World Endurance Championship for factory-supported hybrid-powered cars.
 It is the first sports-prototype built by Porsche since the RS Spyder, the first sports-prototype built by Porsche to compete in a top category of sportscar racing since the Porsche 911 GT1-98 and Porsche LMP1-98 and the first sports-prototype to be raced by Porsche as a racing team since the Porsche 911 GT1-98 and Porsche LMP1-98.
 It uses a 2.0 L four-cylinder turbocharged engine with a battery-based hybrid system.
 The car made its competitive debut at the 2014 6 Hours of Silverstone, the opening round of the 2014 season.
 The 919 Hybrid project is scheduled to be discontinued at the end of the 2017 season to allow Porsche to focus on entering Formula E.