Question: Where is the headquarters of the production company directed by James May ?

full_context: Document 1: Top Gear: US Special: Top Gear: US Special is a full-length, special edition episode for BBC motoring program "Top Gear", and was first broadcast on BBC Two on 11 February 2007, as part of the 3rd episode of Series 9, with the special repeated in an edited version for UKTV channel Dave. The special sees hosts, Jeremy Clarkson, Richard Hammond, and James May travelling on a journey from Miami to New Orleans in three used cars to find if it's more economical to buy a vehicle rather than rent one. The Production Notes section of the "Top Gear" website describes the creation and production of this episode as "one of the most grueling shoots in Top Gear history, damn near finishing off several members of the crew through exhaustion."
Document 2: W. Chump and Sons: W. Chump & Sons Limited is an independent television production company founded in July 2015 in the United Kingdom. The company is headquartered on Power Road , Chiswick, London, and owned by Jeremy Clarkson, Richard Hammond, James May and Andy Wilman. The directors of the company are the former presenters and executive producer of the MPH Show and "Top Gear" Live exhibition tours, as well as the former "Top Gear" series produced for BBC Television from October 2002 until March 2015. s of 2016 the company was engaged in producing "The Grand Tour," a motoring television series that debuted on Amazon Video on 18 November 2016.
Document 3: Jesse James (customizer): Jesse Gregory James (born April 19, 1969) is an American television personality and former CEO of Austin, Texas-based Austin Speed Shop. James was the host of the reality TV shows "Jesse James Is a Dead Man" on Spike TV and "Monster Garage" on the Discovery Channel, and the focus of the documentary "Motorcycle Mania", also on Discovery. Jesse James also appeared in the "Tony Hawk's Underground 2" video game, and was the focus of a show chronicling some of the custom builds at Austin Speed Shop in his TV series, "Jesse James: Outlaw Garage", which ran a shortened single season in 2012 on the Discovery Channel before being canceled.
Document 4: James May: James Daniel May (born 16 January 1963) is an English television presenter and journalist. He is best known as a co-presenter of the motoring programme "Top Gear" alongside Jeremy Clarkson and Richard Hammond from 2003 until 2015. As of 2016 he is a director of the production company W. Chump & Sons (founded July 2015) and is also a co-presenter in the television series "The Grand Tour" for Amazon Video as an exclusive for Amazon Prime customers, alongside his former "Top Gear" colleagues, Clarkson and Hammond, as well as former producer Andy Wilman.
Document 5: Ant Anstead: Anthony Richard Anstead (born March 1979) is an English television presenter, motor specialist, car builder, designer and artist, best known for co-presenting the Channel 4 automotive show "For the Love of Cars" with Philip Glenister. He started his own television Production Company in 2014, by producing his own show "The World’s Most Expensive Cars". In 2015, Anstead hosted BBC Two's live show "Building Cars Live", alongside James May and Kate Humble.
Document 6: James Pilkington (director): James Pilkington is an English film director who works for Mustard Film Company, a production company based in London, United Kingdom. He is the son of Sir Alastair Pilkington, inventor of Pilkington Glass, which he sold to German conglomerate NSG in 2006 for £1.8 billion ($3.14 billion).
Document 7: Brent Montgomery: Brent Montgomery is CEO of ITV America, with oversight of ITV’s US portfolio, including ITV Entertainment, Leftfield Pictures, Sirens Media, Outpost Entertainment, Loud TV, Red Bandit, Thinkfactory Media, High Noon Entertainment, DiGa and Gurney Productions. ITV America produces more than 800 hours of content and 100 non-scripted programs per year, working in partnership with more than 40 networks.
Document 8: Zak Brown: Zak Brown (born November 7, 1971) is an American businessman and former professional racing driver, currently residing in London, England. Brown is currently the Executive Director of McLaren Technology Group. He is the founder and CEO of Just Marketing International (JMI), the world’s largest motorsport marketing agency. JMI, which was founded in 1995, was acquired in 2013 by CSM Sport & Entertainment, a division of Chime Communications plc, and Brown became Group Chief Business Development Officer. Brown’s accomplishments as a sports marketer have been reflected through multiple industry recognitions, including as a Marketer of the Year by PROMO magazine, being named four times in the INC 500 Fastest Growing Private Companies of the Year, and his inclusion in the SportsBusinessJournal’s Forty Under 40 Hall of Fame, having been presented the award three times.
Document 9: Ben Winston: Ben Winston is a British producer and director, who established the production company Fulwell 73 with Gabe Turner, Ben Turner and Leo Pearlman. He is well known as co-executive producer of "The Late Late Show with James Corden" alongside Rob Crabbe and Mike Gibbons and the show's segments "Carpool Karaoke" and "Drop the Mic". Winston is the youngest show producer of a Late Night show in America. The American talk show broadcast on CBS was launched in 2015. He has collaborated with a number of artists, most notably One Direction, JLS, Robbie Williams, Gary Barlow and James Cordon. He has produced and directed a number of pop culture oriented films, documentaries, concerts and music videos. He is also renowned for producing a number of the annual Brit Awards from 2011 to 2014. More recently he was a co-producer of US Grammy Awards and Tony Awards.
Document 10: Drivers Republic: Drivers Republic was founded in March 2008 by Steve Davies together with Richard Meaden; a co-founder of Evo (magazine), Jethro Bovingdon; former deputy-Editor of Evo magazine and Chris Harris; former road test editor of Autocar magazine. They were soon joined by Neil Carey, formerly the designer at Evo magazine.
Document 11: The Holy Trinity (The Grand Tour): "The Holy Trinity" is the first episode of British motoring series "The Grand Tour". It was made available exclusively through the Amazon Video streaming service, first on 17 November 2016 at 23:00 GMT. Jeremy Clarkson, Richard Hammond, and James May, who previously presented as a trio on BBC Two motoring programme "Top Gear", present the show. Production of the episode was handled by W. Chump and Sons, with executive production done by Andy Wilman, who previously served as the executive producer of "Top Gear".
Document 12: John Mitchinson (researcher): John Mitchinson is the head of research for the British television panel game "QI", and is also the managing director of Quite Interesting Limited. He is co-writer of the "QI" series of books with the show's creator John Lloyd. The two men are normally referred to as "The Two Johns" and are seen as the main controllers of "QI", as they do most of the research of the show. His most recent work, "1,411 Quite Interesting Facts to Knock You Sideways", a collaboration with John Lloyd and James Harkin, will be released in 2015 with W.W. Norton and Company.
Document 13: Roving Enterprises: Roving Enterprises Pty Ltd is an Australian television production company, owned by television presenter, producer and comedian Rove McManus and his business partner Craig Campbell and managed by General Manager Kevin Whyte. The company is responsible for producing many shows and events, particularly for Network Ten.
Document 14: Top Gear (magazine): Top Gear (stylised in-magazine as TopGear) is an automobile magazine owned by BBC Worldwide and published under contract by Immediate Media Company. It is named after the BBC's "Top Gear" television show. It was first published in October 1993 and is published monthly at a price of £4.35. The major presenters of the television series—Jeremy Clarkson, Richard Hammond, and James May—were regular contributors, along with the series' production staff. "Tame racing driver" The Stig also regularly features in their car tests, though only communicates his thoughts and feelings through the articles of others.
Document 15: The Grand Tour (TV series): The Grand Tour is a British motoring television series for Amazon Video presented by Jeremy Clarkson, Richard Hammond and James May and produced by Andy Wilman.
ground_truth: Power Road , Chiswick, London