Question: What metropolitan area is the birth city of Dillie Keane a part of?

full_context: Document 1: Dillie Keane: Born in Portsmouth in 1952, Keane is the daughter of Frank Keane, a doctor from County Mayo, by his marriage to Miriam Slattery, originally from Tralee, County Kerry, and was brought up in Portsmouth as a Roman Catholic. She has described her mother as something of a dragon.
Document 2: Edmund Burke: Burke was born in Dublin, Ireland. His mother Mary née Nagle (c. 1702 – 1770) was a Roman Catholic who hailed from a déclassé County Cork family (and a cousin of Nano Nagle), whereas his father, a successful solicitor, Richard (died 1761), was a member of the Church of Ireland; it remains unclear whether this is the same Richard Burke who converted from Catholicism. The Burke dynasty descends from an Anglo-Norman knight surnamed de Burgh (latinised as de Burgo) who arrived in Ireland in 1185 following Henry II of England's 1171 invasion of Ireland.
Document 3: 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 4: 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 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: Cyril Connolly: Cyril Connolly was born in Coventry, Warwickshire, the only child of Major Matthew William Kemble Connolly (1872–1947), an officer in the King's Own Yorkshire Light Infantry, by his Anglo-Irish wife, Muriel Maud Vernon, daughter of Colonel Edward Vernon (1838–1913) J.P., D.L., of Clontarf Castle, Co. Dublin. His parents had met while his father was serving in Ireland, and his father's next posting was to South Africa. Connolly's father was also a malacologist (the scientific study of the Mollusca, i.e. snails, clams, octopus, etc.) and mineral collector of some reputation and collected many samples in Africa. Cyril Connolly's childhood days were spent with his father in South Africa, with his mother's family at Clontarf Castle, and with his paternal grandmother in Bath, Somerset, and other parts of England.
Document 7: Mary Ball: Mary Ball was born in 1812, the second daughter of Bob Stawell Ball and his wife Mary "née" Green. She was born near Cobh, County Cork, but shortly moved with the family to nearby Youghal, County Cork. Mary had three siblings who lived into adulthood: Robert, Bent (1806-1860), and Anne, a well-known algologist. The family was Protestant and "involved in trade".
Document 8: Daphne du Maurier: Daphne du Maurier was born in London, the middle of three daughters of prominent actor-manager Sir Gerald du Maurier and actress Muriel Beaumont. Her mother was a maternal niece of journalist, author, and lecturer William Comyns Beaumont. Her grandfather was author and "Punch" cartoonist George du Maurier, who created the character of Svengali in the novel "Trilby". Her elder sister, Angela du Maurier, also became a writer, and her younger sister Jeanne was a painter.
Document 9: John Kerry: John Forbes Kerry was born on December 11, 1943 in Aurora, Colorado, at Fitzsimons Army Hospital. He was the second oldest of four children born to Richard John Kerry, a Foreign Service officer and lawyer, and Rosemary Isabel Forbes, a nurse and social activist. His father was raised Catholic (John's paternal grandparents were Austro-Hungarian Jewish immigrants who converted to Catholicism) and his mother was Episcopalian. He was raised with an elder sister named Margaret (born 1941), a younger sister named Diana (born 1947) and a younger brother named Cameron (born 1950). The children were raised in their father's faith; John Kerry served as an altar boy.
Document 10: 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 11: 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 12: Eileen Power: Eileen Power was the eldest daughter of a stockbroker and was born at Altrincham (now part of Greater Manchester) in 1889. She was a sister of Rhoda Power, the children's writer and broadcaster. When she was three her father, a stockbroker, was arrested for fraud and the family moved to Bournemouth. After her mother died of tuberculosis when Power was only 14, she moved to Oxford with her two sisters to live with her aunt. Power was educated at Oxford High School for Girls, Girton College, Cambridge, and the Sorbonne.
Document 13: 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.
Document 14: Kilmeny Niland: Kilmeny Niland, and her twin sister, Deborah, were born in Auckland, New Zealand, to New Zealand-born Australian author Ruth Park and her husband, author and journalist, D'Arcy Niland. She had three older siblings, Anne, Rory and Patrick, who had been born in Australia.
Document 15: 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.
ground_truth: South Hampshire
sub_queries: What city was Dillie Keane born? Answer: Portsmouth
What metropolitan area is Portsmouth a part of? Answer: South Hampshire