Question: They Flew Alone was a biopic about the aviator of what nationality?

Context paragraphs:
Ken Mattingly: Thomas Kenneth Mattingly II (born March 17, 1936), (RADM, USN, Ret.) , better known as Ken Mattingly, is a former American naval officer and aviator, aeronautical engineer, test pilot, Rear Admiral in the United States Navy and astronaut who flew on the Apollo 16, STS-4 and STS-51-C missions.  He had been scheduled to fly on Apollo 13, but was held back due to concerns about a potential illness (which he did not contract).  He later flew as Command Module Pilot for Apollo 16, making him one of only 24 people to have flown to the Moon.

Francis Stewart Briggs: Francis Stewart Briggs (18 September 1897 – 21 July 1966) was a pioneering Australian aviator.  Frank Briggs learnt to fly with the Royal Flying Corps in the First World War.  During the Peace Conference in 1919 he flew delegates between London and Paris and was the personal pilot of Australia's Prime Minister, Billy Hughes.  On return to Australia, Briggs flew with C.J. De Garis and in 1922 joined "Jimmy" Larkin's "Australian Aerial Services" (AAS) company, headquartered at Hay, New South Wales.  Frank Briggs married Miriam Carter in Hay on 3 August 1926.  Later he joined the Shell oil company, taking charge of a new aviation department in Perth.

British Nationality Act 1772: The British Nationality Act 1772 (13 Geo.  3 c. 21) was an Act of the Parliament of Great Britain was a British nationality law which made general provision allowing natural-born allegiance (citizenship) to be assumed if the father alone were British.

They Flew Alone: They Flew Alone (released in the US as "Wings and the Woman") is a 1942 British biopic about aviator Amy Johnson, directed and produced by Herbert Wilcox and starring Anna Neagle, Robert Newton and Edward Chapman.  It was distributed in the UK and the US by RKO Radio Pictures.

Nigerian Canadians: Nigerian Canadians are Canadian citizens and residents of Nigerian origin and descent.  Nigerians began migrating to Canada during the 1967–1970 Biafra War.  Nigerians were not broken out separately in immigration statistics until 1973.  3,919 landed immigrants of Nigerian nationality arrived in Canada from 1973 to 1991.  In the 2001 Census, 9,530 people identified themselves as Nigerians; of those, 6,575 lived in Ontario (5,275 in Toronto alone).  In the 2006 Census, 19,520 people identified themselves as Nigerians.  Again, roughly two thirds (13,325) lived in Ontario, with 10,430 in Toronto alone.  There is a significant number of Nigerians living in the Jane and Wilson (Chalkfarm) area of Toronto.

Amy Johnson: Amy Johnson (1 July 1903 – 5 January 1941) was a pioneering British aviator who was the first female pilot to fly alone from Britain to Australia.

Marcel Brindejonc des Moulinais: Marcel-Georges Brindejonc des Moulinais (18 February 1892 – 18 August 1916) was a French aviator best known for long distance flights including crossing the Baltic Sea.  He also flew as an exhibition and racing pilot.  He flew reconnaissance missions during the battle of the Marne.

Joan Kemp-Welch: Joan Kemp-Welch (1906–1999) was a British stage and film actress, who later went on to become a television director.  After making her stage debut in 1926 at the Q Theatre, Kemp-Welch made her film debut in 1933 and appeared in fifteen films over the next decade largely in supporting or minor roles.  Occasionally she played more substantial parts as in "Hard Steel" and "They Flew Alone" (both 1942).

Aviator Arena: Aviator Arena Sports and Recreation Facility is located on the site of the former Floyd Bennett Field in Brooklyn, New York.  Aviator Arena hosts sporting events and shows throughout the year, and the occasional air show.  The field outside the arena is still used as an official heliport by the New York Police Department (NYPD).  Once inside the indoor entrance to Aviator Arena, an entire inner wall tribute several stories high is dedicated to the history of Aeronautics which took place on the site of the sports facility and the people of flight who made the former Floyd Bennett Field famous, including: Wiley Post, the first pilot to solo around the world, who flew around the world from the field and returned to it in 7 days 19 hours and 49 minutes in July 1933; and billionaire Howard Hughes, who flew 14791 mi around the world from Floyd Bennett Field in July 1938 and returned to it with a crew of four men in 3 days, 19 hours, 8 minutes, 10 seconds to collect important navigational data.

Shia Islam in the Netherlands: Shia form a minority within the Muslim community of the Netherlands with Twelver adherents forming a majority.  Most of the Twelver or Ithnā 'Asharīs in the Netherlands are political refugees.  They come from different nations, ethnic, and cultural backgrounds.  They come from Iraq, Iran, Afghanistan, in addition to a small group from Pakistan and Lebanon, while the Turkish Ithnā 'Asharīs are guest workers.  The majority of them came to the Netherlands in the 1990s as political refugees.  The number of Twelver Shia alone who possess Dutch nationality as of 1 January 2005 was 108,728, being Iraqis, Afghanis, and Iranians excluding the figure of other Shiite sects and also of those who do not possess Dutch nationality.  These groups came mainly because of political unrest in the region, such as the Iranian revolution, and the war between Iraq and Iran.

Supporting paragraphs: They Flew Alone Amy Johnson
Answer: British