Question: The Pick Motor Company Limited is located in a town on which river ?

Context paragraphs:
North Western Road Car Company (1923): The North Western Road Car Company was a bus company in Stockport, England, formed in 1923 from the existing bus services of the British Automobile Traction Company Limited (itself a subsidiary of the British Electric Traction Company Limited) in Macclesfield.  The company operated bus services in five counties (Cheshire, Lancashire, West Riding of Yorkshire, Derbyshire and Staffordshire) through a combination of growth and the acquisition of other bus companies, such as the takeover in 1924 of the Mid-Cheshire Motor Bus Company Limited, which brought new operations in Northwich and Flixton.  The company also operated express coach services to London, North Wales and Yorkshire.

Sunbeam Motor Car Company: Sunbeam Motor Car Company Limited was a British motor car manufacturer with its works at Moorfields in Blakenhall, a suburb of Wolverhampton in the county of Staffordshire, now West Midlands.  Its Sunbeam name had been registered by John Marston in 1888 for his bicycle manufacturing business.  Sunbeam motor car manufacture began in 1901.  The motor business was sold to a newly incorporated Sunbeam Motor Car Company Limited in 1905 to separate it from Marston's pedal bicycle business; Sunbeam motorcycles were not made until 1912.

Ford of Britain: Ford of Britain (officially Ford Motor Company Limited) is a British wholly owned subsidiary of Ford of Europe, itself a subsidiary of Ford Motor Company.  Its business started in 1909 and has its registered office in Brentwood, Essex.  It adopted the name of Ford of Britain in 1960.

Lanchester Light Six: The Lanchester Light Six was a small luxury car in the twelve tax horsepower class manufactured for The Lanchester Motor Company Limited by BSA subsidiary The Daimler Company Limited.  Announced in September 1934 it was the better-finished version of an almost identical pair the other half being the BSA Light Six

Stamford, Lincolnshire: Stamford is a town on the River Welland in Lincolnshire, England, 92 mi north of London on the A1.  The population at the 2001 census was 21,800 including the adjacent parish of St Martin's Without.

GM Vietnam: GM Vietnam Motor Company (former Vietnam-Daewoo Motor Company Limited or VIDAMCO) is an automobile manufacturer based in Vietnam and a subsidiary of the GM Korea Company.

Austin Motor Company: The Austin Motor Company Limited was a British manufacturer of motor vehicles, founded in 1905 by Herbert Austin.  In 1952 it was merged with Morris Motors Limited in the new holding company British Motor Corporation (BMC) Limited, keeping its separate identity.  The marque Austin was used until 1987.  The trademark is currently owned by SAIC after being transferred from bankrupt subsidiary Nanjing Automotive which had acquired it with MG Rover Group in July 2005.

Daimler Company: The Daimler Company Limited, until 1910, the Daimler Motor Company Limited, was an independent British motor vehicle manufacturer founded in London by H. J. Lawson in 1896, which set up its manufacturing base in Coventry.  The company bought the right to the use of the Daimler name simultaneously from Gottlieb Daimler and Daimler-Motoren-Gesellschaft of Cannstatt, Germany.  After early financial difficulty and a reorganization of the company in 1904, the Daimler Motor Company was purchased by Birmingham Small Arms Company (BSA) in 1910, which also made cars under its own name before World War II.  In 1933, BSA bought the Lanchester Motor Company and made it a subsidiary of Daimler.

The Pick Motor Company: The Pick Motor Company Limited of Stamford, Lincolnshire was a motor vehicle manufacturer that flourished between 1899 and 1925.  It also traded briefly under the name "New Pick Motor Company".

Ford Australia: The Ford Motor Company of Australia Limited, known by its trading name Ford Australia, is the Australian subsidiary of United States-based automaker Ford Motor Company.  It was founded in Geelong, Victoria, in 1925 as an outpost of Ford Motor Company of Canada, Limited.  At that time, Ford Canada was a separate company from Ford USA.  Henry Ford having granted the manufacturing rights of Ford motor vehicles in the British Empire (later the Commonwealth), excepting the UK, to Canadian investors.

Supporting paragraphs: The Pick Motor Company Stamford, Lincolnshire
Answer: the River Welland