In this task you are given data in the tabular format and a question. Write the answer to the question based on the information in the table.
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Question: Table: ['Date', 'Team', 'Name', 'Position', 'Years in NBA', 'Notes']. ['April 23, 2009', 'Houston Rockets', 'Dikembe Mutombo', 'C', '18', 'Suffered a season-ending injury']. ['May 21, 2009', 'Free agent', 'Sam Cassell', 'G', '15', 'Became an assistant coach of the Wizards']. ['September 3, 2009', 'Free agent', 'Bruce Bowen', 'F', '12', '']. ['October 22, 2009', 'Free agent', 'Mark Madsen', 'F', '9', 'Became an assistant coach of the Utah Flash (D-League)']. ['October 23, 2009', 'Free agent', 'Bobby Jackson', 'G', '12', '']. ['October 23, 2009', 'Free agent', 'Tyronn Lue', 'G', '11', 'Became the director of basketball development of the Celtics']. ['November 5, 2009', 'Free agent', 'Darrick Martin', 'G', '14', 'Named assistant director of player development of Timberwolves']. Question: who played for at least 15 years in the nba?

Answer: ['Dikembe Mutombo', 'Sam Cassell']

Question: Table: ['#', 'Nation', 'Qualification Tournament', 'Place in QT', 'Sailor']. ['1', 'China', 'Host Country', '', '']. ['2', 'Brazil', '2007 Worlds', '1', 'Robert Scheidt, Bruno Prada']. ['3', 'France', '2007 Worlds', '2', 'Xavier Rohart, Pascal Rambeau']. ['4', 'Great Britain', '2007 Worlds', '3', 'Iain Percy, Andrew Simpson']. ['5', 'New Zealand', '2007 Worlds', '4', 'Hamish Pepper, Carl Williams']. ['6', 'Italy', '2007 Worlds', '5', 'Diego Negri, Luigi Viale']. ['7', 'Poland', '2007 Worlds', '6', 'Mateusz Kusznierewicz, Dominik Zycki']. ['8', 'Germany', '2007 Worlds', '7', 'Marc Pickel, Ingo Borkowski']. ['9', 'Sweden', '2007 Worlds', '8', 'Fredrik Loof, Anders Ekstrom']. ['10', 'Australia', '2007 Worlds', '9', 'Iain Murray, Andrew Palfrey']. ['11', 'Portugal', '2007 Worlds', '10', 'Afonso Domingos, Bernardo Santos']. ['12', 'United States', '2007 Worlds', '11', 'Mark Reynolds, Hal Haenel']. ['13', 'Switzerland', '2008 Worlds', '4', 'Flavio Marazzi, Enrico De Maria']. ['14', 'Croatia', '2008 Worlds', '12', 'Marin Lovrovic, Sinsa Mikulicic']. ['15', 'Ireland', '2008 Worlds', '14', 'Max Treacy, Anthony Shanks']. ['16', 'Austria', '2008 Worlds', '16', 'Hans Spitzauer, Christian Nehammer']. Question: which nations took part in the sailing at the 2008 summer olympics qualification?

Answer: ['China', 'Brazil', 'France', 'Great Britain', 'New Zealand', 'Italy', 'Poland', 'Germany', 'Sweden', 'Australia', 'Portugal', 'United States', 'Switzerland', 'Croatia', 'Ireland', 'Austria']

Question: Table: ['Rank', 'Area', 'State/ Province', 'CSA/CMA 2009 population', 'Projected 2025 population', 'Projected increase 2009-2025']. ['1', 'Chicago', 'IL-IN-WI', '9,804,845', '10,935,100', '1,130,255']. ['2', 'Toronto', 'ON', '5,741,400', '7,408,000', '1,666,600']. ['3', 'Detroit', 'MI', '5,327,764', '6,191,000', '863,236']. ['4', 'Cleveland', 'OH', '2,891,988', '3,172,000', '280,012']. ['5', 'Milwaukee', 'WI', '1,760,268', '1,913,000', '157,732']. ['6', 'Ottawa - Gatineau', 'ON-QC', '1,451,415', '1,596,556', '145,141']. ['7', 'Grand Rapids', 'MI', '1,327,366', '1,530,000', '202,634']. ['8', 'Buffalo', 'NY', '1,203,493', '1,040,400', '-163,093']. ['9', 'Rochester', 'NY', '1,149,653', '1,248,600', '98,947']. ['10', 'Hamilton', 'ON', '740,200', '954,858', '214,658']. ['11', 'Toledo', 'OH', '672,220', '672,220', '0']. ['12', 'Lansing', 'MI', '523,609', '547,325', '23,716']. ['13', 'Kitchener - Cambridge - Waterloo', 'ON', '492,400', '635,196', '142,796']. ['14', 'London', 'ON', '492,200', '634,938', '142,738']. ['15', 'Fort Wayne', 'IN', '414,315', '455,623', '39,366']. ['16', 'St. Catharines - Niagara', 'ON', '404,400', '521,676', '117,276']. ['17', 'Windsor', 'ON', '330,900', '426,861', '95,961']. ['18', 'Erie', 'PA', '280,985', 'N/A', 'N/A']. Question: what are all the population centers?

Answer:
Chicago, Toronto, Detroit, Cleveland, Milwaukee, Ottawa - Gatineau, Grand Rapids, Buffalo, Rochester, Hamilton, Toledo, Lansing, Kitchener - Cambridge - Waterloo, London, Fort Wayne, St. Catharines - Niagara, Windsor, Erie