Question: who is the leader of the country the manufacturer of Standard Beaverette is from in 2017?

full_context: Document 1: Leader of the Conservative Party (UK): Leader of the Conservative Party Incumbent Theresa May since 11 July 2016 Inaugural holder Robert Peel (de facto) Bonar Law (de jure) Formation 1834 (de facto) 1922 (de jure)
Document 2: Triumph TR7: The Triumph TR7 is a sports car which was manufactured from September 1974 to October 1981 by the Specialist Division (latterly the "Jaguar-Rover-Triumph" division) of British Leyland in the United Kingdom. It was initially produced at the Speke, Liverpool factory, moving to Canley, Coventry in 1978 and then finally to the Rover Solihull plant in 1980. The car was launched in the United States in January 1975, with its UK home market debut in May 1976. The UK launch was delayed at least twice because of high demand for the vehicle in the US, with final sales of new TR7s continuing into 1982.
Document 3: Parliament of the United Kingdom: The House of Commons is a democratically elected chamber with elections held at least every five years. The two Houses meet in separate chambers in the Palace of Westminster (commonly known as the Houses of Parliament) in London. By constitutional convention, all government ministers, including the Prime Minister, are members of the House of Commons or, less commonly, the House of Lords and are thereby accountable to the respective branches of the legislature. Most cabinet ministers (Secretaries of State) are from the Commons, whilst junior ministers can be from either House. However, it should be noted the Leader of the House of Lords must be a peer and is a cabinet position, usually combined with a paid position.
Document 4: Prime Minister of the United Kingdom: The Prime Minister of the United Kingdom is the head of Her Majesty's Government in the United Kingdom. The Prime Minister (informally abbreviated to PM) and Cabinet (consisting of all the most senior ministers, most of whom are government department heads) are collectively accountable for their policies and actions to the Monarch, to Parliament, to their political party and ultimately to the electorate. The office is one of the Great Offices of State. The current holder of the office, Theresa May, leader of the Conservative Party, was appointed by the Queen on 13 July 2016.
Document 5: Nuffield Universal: The Nuffield Universal was a tractor produced from 1948 by the Agricultural Division of Morris Motors, later a subsidiary of The British Motor Corporation Limited. When William Morris the founder of Morris Motors was honoured with a title and elevated to the peerage he chose the name of his Nuffield, Oxfordshire village. When in 1948 the Morris Motors Agricultural Division launched its tractor range, the name Nuffield was chosen to be the brand name for the company's agricultural products. The design was similar to the new David Brown built tractors as the designer Dr. Merit had also worked on the design of the David Brown 50D before moving to Nuffield.
Document 6: Mini: Issigonis' friend John Cooper, owner of the Cooper Car Company and designer and builder of Formula One and rally cars, saw the potential of the Mini for competition. Issigonis was initially reluctant to see the Mini in the role of a performance car, but after John Cooper appealed to BMC management, the two men collaborated to create the Mini Cooper. The Austin Mini Cooper and Morris Mini Cooper debuted in September 1961.
Document 7: Rover Light Armoured Car: The Light Armoured Car (Aust), also known as Rover, was an armoured car produced in Australia during the Second World War.
Document 8: Morris Light Reconnaissance Car: The Nuffield Group had been brought in to supplement production of light reconnaissance cars by Standard Motor Company (Beaverette) and Humber (Humber LAC, also known as "Humberette").
Document 9: Triumph Dolomite (1934–40): The Triumph Dolomite is a car that was produced by Triumph Motor Company from 1934 to 1940. It first appeared in 1934 as a sports car and the name was also used from 1937 on a series of sporting saloons and open cars until 1939 when the company went into receivership. A number were still sold and registered in 1940, though it is uncertain whether the receiver or new owner turned out cars from spare parts, or sold off completed cars. All except the Straight 8 featured a "waterfall" grille styled by Walter Belgrove, versions of the saloons with conventional grilles were sold as Continental models.
Document 10: Triumph Roadster: The Triumph Roadster is an automobile which was produced by Britain's Standard Motor Company from 1946 to 1949. It was first available as the Triumph 1800 Roadster (18TR) from 1946 to 1948 and then as the Triumph 2000 Roadster (TRA) from 1948 to 1949.
Document 11: Triumph TR2: The Triumph TR2 is a sports car produced by the Standard Motor Company in the United Kingdom between 1953 and 1955, during which time 8,636 cars were produced.
Document 12: Government of the United Kingdom: The current prime minister is Theresa May, who took office on 13 July 2016. She is the leader of the Conservative Party, which won a majority of seats in the House of Commons in the general election on 7 May 2015, when David Cameron was the party leader; although at the last general election she failed to secure a majority government. Prior to this, Cameron and the Conservatives led a coalition from 2010 to 2015 with the Liberal Democrats, in which Cameron was prime minister.
Document 13: Standard Ten: The Standard Ten was a model name given to several small cars produced by the British Standard Motor Company between 1906 and 1961. The name was a reference to the car's fiscal horsepower. Like other manufacturers, Standard continued to use the name to define the approximate size of their 'Ten' model long after the origins of the name had, in Britain, become inapplicable.
Document 14: Prime Minister of the United Kingdom: Prime Minister of the United Kingdom of Great Britain and Northern Ireland Royal Arms used by Her Majesty's Government Incumbent Theresa May since 13 July 2016 (2016 - 07 - 13) Government of the United Kingdom Office of the Prime Minister Style Prime Minister (informal) The Right Honourable (within the UK and the Commonwealth) His / Her Excellency (in international correspondence) Member of Cabinet Privy Council European Council British -- Irish Council Reports to Parliament Residence 10 Downing Street Chequers Seat Westminster Appointer Monarch of the United Kingdom Term length At Her Majesty's pleasure Inaugural holder Sir Robert Walpole as First Lord of the Treasury and de facto first Prime Minister. Formation 4 April 1721 Salary £151,451 annual, including £76,011 MP's salary Website Official website
Document 15: Alvis Car and Engineering Company: Alvis Car and Engineering Company Ltd was a British manufacturing company in Coventry from 1919 to 1967. In addition to automobiles designed for the civilian market, the company also produced racing cars, aircraft engines, armoured cars and other armoured fighting vehicles.
ground_truth: Theresa May
sub_queries: Standard Beaverette >> manufacturer Answer: Standard Motor Company
Standard Motor Company >> country Answer: United Kingdom
who is the leader of United Kingdom 2017 Answer: Theresa May