Question: Vauxhall Motors is a subsidiary of the company that is part of the multinational manufacturer of what nationality?

Context paragraphs:
Andrew Betts Brown: Andrew Betts Brown MICE MINA (1841–1906) was a Scottish engineer and inventor.  He invented the hydraulic crane and overhead travelling crane.  He founded several companies including the Vauxhall Iron Works, which later evolved into Vauxhall Motors, and the huge British engineering firm Brown Brothers.

Vauxhall Motors: Vauxhall Motors ( ; officially Vauxhall Motors Limited) is one of the oldest established vehicle manufacturers and distribution companies in Great Britain and has its headquarters in Luton, Bedfordshire, England.  It is a subsidiary of the German company Opel Automobile GmbH which is part of Groupe PSA since 1st August, 2017.

Bedford Vehicles: Bedford Vehicles, usually shortened to just Bedford, was a brand of vehicle produced by Vauxhall Motors, which was ultimately owned by General Motors (GM).  Established in 1930 and constructing commercial vehicles, Bedford Vehicles was a leading international lorry brand, with substantial export sales of light, medium, and heavy lorries throughout the world.  It was GM Europe's most profitable venture for several years.

Tommy Rooney: Tommy Rooney (born 30 December 1984) is an English footballer who played for League Two club Macclesfield Town during the 2004–05 season as a striker and is now playing non-league football for Vauxhall Motors.

Automotive industry in the United Kingdom: The automotive industry in the United Kingdom is now best known for premium and sports car marques including Aston Martin, Bentley, Caterham Cars, Daimler, Jaguar, Lagonda, Land Rover, Lister Cars, Lotus, McLaren, MG, Mini, Morgan and Rolls-Royce.  Volume car manufacturers with a major presence in the UK include Honda, Nissan, Toyota and Vauxhall Motors (subsidiary of Adam Opel AG, subsidiary of the French automotive company Groupe PSA).  Commercial vehicle manufacturers active in the UK include Alexander Dennis, Ford, GMM Luton (owned by Adam Opel AG), Leyland Trucks (owned by Paccar) and London Taxis International (owned by Geely).

Bill Parfitt: Christopher William Parfitt CBE is the chairman and managing director of General Motors UK Ltd., the parent company of Vauxhall Motors.

GM Powertrain Poland: GM Powertrain Poland (formerly Isuzu Motors Polska Sp.  z o.o. or ISPOL) is an automobile engine manufacturer in Poland.  It was opened in 1996 by Isuzu as an alternate production site for the Circle L engine, also produced in the United States at the DMAX joint venture.  However, Isuzu's financial troubles caused General Motors to take control with 60% of ISPOL's capital in 2002.  Since then the plant manufactured over two million engines for Opel/Vauxhall.  The engines are for various Opel/Vauxhall models.

Wayne Cherry: Wayne K. Cherry (born 1937) is an American car designer educated at Art Center College of Design and employed by General Motors from 1962 through 2004, retiring as Vice President of Design.  Cherry worked for General Motors in the United States from 1962 until 1965, when he moved to the United Kingdom to take a position with General Motors' Vauxhall Motors subsidiary, becoming Design Director at Vauxhall in 1975.  In 1983 General Motors consolidated all European passenger car design under Cherry and made him Design Director at General Motors' Adam Opel AG subsidiary.  Cherry returned to the United States in 1991 and in 1992 became General Motors Vice President of Design.  Cherry retired from General Motors in 2004.

Groupe PSA: Groupe PSA (informally PSA; known as PSA Peugeot Citroën from 1991 to 2016) is a French multinational manufacturer of automobiles and motorcycles sold under the Peugeot, Citroën, DS Automobiles, Opel and Vauxhall Motors brands.  Opel (together with its Vauxhall nameplate) is the largest PSA brand in Europe.  PSA is listed on the Euronext Paris stock exchange and is again a constituent of the CAC 40 index (2015) after having been removed in 2012.

Tim Tozer: Timothy David Tozer (born 3 August 1959) is a British businessman, and the former Managing Director of Vauxhall Motors Ltd, also known as General Motors UK Limited.

Supporting paragraphs: Vauxhall Motors Groupe PSA
Answer: French