Question: What metropolitan area is the birthplace of Woodbury Langdon a part of?

full_context: Document 1: Southampton: Southampton (i/saʊθˈæmptən, -hæmptən/) is the largest city in the ceremonial county of Hampshire on the south coast of England, and is situated 75 miles (121 km) south-west of London and 19 miles (31 km) north-west of Portsmouth. Southampton is a major port and the closest city to the New Forest. It lies at the northernmost point of Southampton Water at the confluence of the River Test and River Itchen, with the River Hamble joining to the south of the urban area. The city, which is a unitary authority, has an estimated population of 253,651. The city's name is sometimes abbreviated in writing to "So'ton" or "Soton", and a resident of Southampton is called a Sotonian.
Document 2: Southampton: Between 1996 and 2004, the population of the city increased by 4.9 per cent—the tenth biggest increase in England. In 2005 the Government Statistics stated that Southampton was the third most densely populated city in the country after London and Portsmouth respectively. Hampshire County Council expects the city's population to grow by around a further two per cent between 2006 and 2013, adding around another 4,200 to the total number of residents. The highest increases are expected among the elderly.
Document 3: John Adams: John Adams (October 30 (O.S. October 19) 1735 -- July 4, 1826) was an American statesman and Founding Father who served as the first Vice President (1789 -- 97) and second President of the United States (1797 -- 1801). He was a lawyer, diplomat, political theorist, and a leader of the movement for American independence from Great Britain. He was also a dedicated diarist and correspondent, particularly with his wife and closest advisor, Abigail.
Document 4: Southampton: There are 119,500 males within the city and 117,400 females. The 20–24 age range is the most populous, with an estimated 32,300 people falling in this age range. Next largest is the 25–29 range with 24,700 people and then 30–34 years with 17,800. By population, Southampton is the largest monocentric city in the South East England region and the second largest on the South Coast after Plymouth.
Document 5: Southampton: The city has undergone many changes to its governance over the centuries and once again became administratively independent from Hampshire County as it was made into a unitary authority in a local government reorganisation on 1 April 1997, a result of the 1992 Local Government Act. The district remains part of the Hampshire ceremonial county.
Document 6: John Kerry: Kerry's paternal grandparents, shoe businessman Frederick A. "Fred" Kerry and musician Ida Lowe, were immigrants from the Austro-Hungarian Empire. Fred was born as "Fritz Kohn" before he and Ida took on the "Kerry" name and moved to the United States. Fred and Ida were born Jewish, and converted to Catholicism together in Austria. His maternal ancestors were of Scottish and English descent, and his maternal grandfather James Grant Forbes II was a member of the Forbes family, while his maternal grandmother Margaret Tyndal Winthrop was a member of the Dudley–Winthrop family. Margaret's paternal grandfather Robert Charles Winthrop served as the 22nd Speaker of the U.S. House of Representatives. Robert's father was Governor Thomas Lindall Winthrop. Thomas' father John Still Winthrop was a great-great-grandson of Massachusetts Bay Colony Governor John Winthrop and great-grandson of Governor Thomas Dudley. Through his mother, John is a first cousin once removed of French politician Brice Lalonde.
Document 7: Southampton: The city has a strong higher education sector. The University of Southampton and Southampton Solent University together have a student population of over 40,000.
Document 8: Southampton: Southampton had an estimated 236,900 people living within the city boundary in 2011. There is a sizeable Polish population in the city, with estimates as high as 20,000.
Document 9: John Quincy Adams: John Quincy Adams (/ ˈkwɪnzi / (listen); July 11, 1767 -- February 23, 1848) was an American statesman who served as a diplomat, minister and ambassador to foreign nations, and treaty negotiator, United States Senator, U.S. Representative (Congressman) from Massachusetts, and the sixth President of the United States from 1825 to 1829. He was a member of the Federalists like his famous influential father, but later switched to the Jeffersonian Democratic - Republican, National Republican, and later the Anti-Masonic and Whig parties when they were organized. He was the son of second President John Adams (1735 - 1826, served 1797 - 1801), and his wife, Abigail Adams.
Document 10: Henry Hubbard: Henry Hubbard (May 3, 1784June 5, 1857) was a member of the United States House of Representatives from 1829 to 1835, a Senator from New Hampshire during 1835 to 1841, and the Governor of New Hampshire from 1842 to 1844.
Document 11: John Langdon Sibley: John Langdon Sibley (29 December 1804 – 9 December 1885) was the librarian of Harvard University from 1856 to 1877.
Document 12: James Schureman: James Schureman (February 12, 1756January 22, 1824) was an American merchant and statesman from New Brunswick, New Jersey. He represented New Jersey in the Continental Congress as well as the United States House of Representatives and United States Senate.
Document 13: Southampton: At the 2001 Census, 92.4 per cent of the city's populace was White—including one per cent White Irish—3.8 per cent were South Asian, 1.0 per cent Black, 1.3 per cent Chinese or other ethnic groups, and 1.5 per cent were of Mixed Race.
Document 14: Woodbury Langdon: Woodbury Langdon (1739 – January 13, 1805) was a merchant, statesman and justice from Portsmouth, New Hampshire. He was the brother of John Langdon, a Founding Father who served as both senator from and Governor of New Hampshire, and father-in-law of Edmund Roberts.
Document 15: Southampton: In the 2001 census Southampton and Portsmouth were recorded as being parts of separate urban areas, however by the time of the 2011 census they had merged to become the sixth largest built-up area in England with a population of 855,569. This built-up area is part of the metropolitan area known as South Hampshire, which is also known as Solent City, particularly in the media when discussing local governance organisational changes. With a population of over 1.5 million this makes the region one of the United Kingdom's most populous metropolitan areas.
ground_truth: South Hampshire
sub_queries: Woodbury Langdon >> place of birth Answer: Portsmouth
What metropolitan area is Portsmouth a part of? Answer: South Hampshire