Question: What was the former name of the racing team that the No. 31 LMP2 Oreca 07 belongs to?

Context paragraphs:
Jota Sport: Jota Sport is a British sports car racing team.  Founded as Team Jota by Sam Hignett and John Stack, Jota Sport is part of the Jota Group which is owned by Sam Hignett, Simon Dolan and David Clark.  The team is based in the Kent countryside.  Jota Sport has won the LMP2 class at the 2014 24 Hours of Le Mans race, and finished in second position in the same class the following year.  s of 2017 it competes, in partnership with Arden International and Jackie Chan DC Racing, in the FIA World Endurance Championship with two ORECA 07 LMP2 cars.

2009 1000 km of Silverstone: The 2009 Autosport 1000 km of Silverstone was the fifth and final round of the 2009 Le Mans Series season.  It took place at the Silverstone Circuit, England, on 13 September 2009.  The race was won from pole position by Olivier Panis and Nicolas Lapierre for Team Oreca, while the third-place finishing Aston Martin of Jan Charouz, Tomáš Enge and Stefan Mücke won the LMP1 championship.  Speedy Racing Team Sebah won their first race in the LMP2 category while the ASM Team failed to finish but were able to win their championship.  First-time LMS entrant Gigawave Motorsport led the GT1 category while JMW Motorsport won in GT2.  Team Felbermayr-Proton secured the GT2 class championship by finishing in seventh in their class.

David Cheng: David Cheng (born July 21, 1989) is an American sports car racing driver.  He currently drives the No. 37 LMP2 Oreca 07 for Jackie Chan DC Racing in the Asian Le Mans Series and FIA World Endurance Championship.

John Martin (Australian racing driver): John Martin is an Australian professional racing driver.  Martin has had wide experience racing in European based open-wheel series since 2006.  In that time Martin has had a wide experience of open-wheel racing having driven in various national and international series driving Formula Ford, Formula 3, A1 Grand Prix and Formula Renault 3.5.  For the past two season Martin has raced for several teams in the football inspired series Superleague Formula.  Martin has long been associated with the British Alan Docking Racing team having raced with them in a variety of formulae for four of the five years he has been racing in Europe.  In 2012 Martin will again race with ADR, racing an Oreca 03 sports car in the LMP2 class of the FIA World Endurance Championship.

Murphy Prototypes: Murphy Prototypes is an Irish auto racing team founded by ex-single seater racer Greg Murphy.  The team is based in Dublin and currently compete in the European Le Mans Series driving an Oreca 03-Nissan in the LMP2 class as well as competing at the 24 Hours of Le Mans.

Oreca 07: The Oreca 07 is a Le Mans Prototype built by Oreca in 2016.  The car was built to meet the 2017 FIA and ACO regulations for 2017 for the LMP2 category in the FIA World Endurance Championship.  The vehicle also meets the regulations for the International Motor Sports Association’s (IMSA) WeatherTech SportsCar Championship for the Prototype class.  The Oreca 07 will be active in both of these Championship series as well as the LMP2 class for the European Le Mans Series in 2017.  It made its official race debut in the opening round of the 2017 WeatherTech SportsCar Championship, the 24 Hours of Daytona, and its FIA World Endurance Championship debut at the 2017 6 Hours of Silverstone.  The car is the successor to the Oreca 05.

Strakka Racing: Strakka Racing is a British auto racing team founded by Nick Leventis.  The team is based at the Silverstone Circuit in Northamptonshire.  They currently operate a Strakka-Dome S103 LMP2 sports car in the FIA World Endurance Championship.  The team made history at the 2010 1000 km of Hungaroring when they became the first team in Le Mans Series history to win overall in an LMP2 class car.  They also became the first team in LMS history to take overall pole position in an LMP2 class car.

Jackie Chan DC Racing: Jackie Chan DC Racing, formerly known as DC Racing, is a racing team that currently competes in the FIA World Endurance Championship and Asian Le Mans Series.  The team is co-owned by Asian Le Mans champion David Cheng and actor Jackie Chan.  Partnering with Jota Sport in WEC, the team fields two Oreca 07s: the No. 37 for Cheng, Alex Brundle and Tristan Gommendy, and the No. 38 for Ho-Pin Tung, Thomas Laurent and Oliver Jarvis.

Oreca: ORECA (Organisation Exploitation Compétition Automobiles) is a French racing team, founded in 1973 and run by Hugues de Chaunac, former team manager of F1 team AGS.  Oreca has had success in many areas of motorsport.  Since the early 1990s the team has concentrated on running sports cars and GT cars.

Courage Compétition: Courage Compétition was a racing team and chassis constructor company now owned by Oreca, based in Le Mans, France near the Circuit de la Sarthe.  It was founded by Yves Courage, a French race driver who ran hillclimbs before founding the company.  Following the purchase of Courage by Oreca in 2007, Yves Courage has refounded the company as Courage Technology in 2010, attempting to develop electric racing cars.

Supporting paragraphs: David Cheng Jackie Chan DC Racing
Answer: DC Racing