Question: In which metropolitan area was Luke Sears born?

full_context: Document 1: 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 2: Lee Luscombe: Born in Guernsey, he started his youth career with Vale Recreation before joining Southampton as a trainee. After a couple of years, he left Southampton and returned to his home island for a short period. He then returned to the UK and signed for Brentford along with fellow Guernsey player Grant Chalmers. After playing 42 games over a two-year period he moved onto Millwall and then a short loan spell at Sittingbourne. His spell in the UK came to an end after 8 games with Doncaster Rovers. He then returned to his home island of Guernsey and played locally for a while. He later had spells as a goalkeeping coach at Warrington Town and Runcorn Linnets.
Document 3: Saeed Meer: Saeed Meer, (born 25 November 1947, in Meerut), the former Pakistan No. 2 tennis player, had a successful Davis Cup career, with a 26–14 win–loss record.
Document 4: Todd Sears: Todd Andrew Sears (born October 23, 1975 in Des Moines, Iowa) is a former Major League Baseball first baseman for the Minnesota Twins and San Diego Padres.
Document 5: John May (cricketer): John May (born 26 September 1849 in Southampton, Hampshire; date of death unknown) was an English cricketer. May was a right-handed batsman who was a right-arm fast bowler.
Document 6: 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 7: 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 8: 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 9: 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 10: Southampton: Hampshire County Cricket Club play close to the city, at the Rose Bowl in West End, after previously playing at the County Cricket Ground and the Antelope Ground, both near the city centre. There is also the Southampton Evening Cricket League.
Document 11: Luke Sears: Luke Alexander Sears (born 3 April 1980 in Portsmouth, Hampshire) is a former English cricketer. Sears is a right-handed batsman who bowled right-arm medium pace.
Document 12: United Services Recreation Ground: The United Services Recreation Ground is a sports ground situated in Burnaby Road, Portsmouth, Hampshire, England. The ground is also bordered to the north by Park Road, along which the railway line to Portsmouth Harbour and Gunwharf Quays overlooks the ground, and to the east by Anglesea Road. The southern end of the ground is dominated by the Officer's Club building, which overlooks the ground. The ground is owned by The Crown. A multitude of sports have been played at the ground, including cricket, rugby and hockey. The ground was used by Hampshire County Cricket Club from 1882 to 2000, serving as one of three home grounds used during this period, alongside the County Ground, Southampton, and Dean Park, Bournemouth. United Services Portsmouth Cricket Club currently play at the ground. The ground is used in its dual capacity as a rugby venue by United Services Portsmouth Rugby Football Club, who have played there since 1882. The Royal Navy Rugby Union also use the ground for their home matches. The end names are the Railway End to the north and the Officer's Club End to the south.
Document 13: 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 14: 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 15: 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.
ground_truth: South Hampshire
sub_queries: Luke Sears >> place of birth Answer: Portsmouth
What metropolitan area is Portsmouth a part of? Answer: South Hampshire