You are given the conttent of a table in the input (row by row). Generate an unambiguous question based on the information present in the table, such that: 1) It's answer is unique and is in the given table, 2) Its answer is a contiguous text span from the table. Avoid creating questions that can be answered correctly without reading/understanding the table

[EX Q]: 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']
[EX A]: which nations took part in the sailing at the 2008 summer olympics qualification?

[EX Q]: Table: ['', 'Country', 'Builder', 'Location', 'Ship', 'Class', 'Notes']. ['23 January', 'United States', 'New York Shipbuilding Corporation', 'Camden, New Jersey', 'Salt Lake City', 'Pensacola-class cruiser', '']. ['12 April', 'France', 'Chantiers de la Gironde', 'Gironde', 'Commandant Teste', 'Seaplane carrier and tender', '']. ['25 April', 'United States', 'New York Navy Yard', 'Brooklyn, New York', 'Pensacola', 'Pensacola-class cruiser', '']. ['22 May', 'Japan', 'Uraga Dock', 'Uraga', 'Itsukushima', 'minelayer', '']. ['29 June', 'Germany', 'Deschimag Werk A.G', 'Bremen', 'Lichtenfels', 'heavy lift ship', 'For DDG Hansa']. ['3 July', 'United States', 'New York Shipbuilding Corporation', 'Camden, New Jersey', 'Chester', 'Northampton-class cruiser', '']. ['6 August', 'United Kingdom', 'Harland and Wolff', 'Belfast, Northern Ireland', 'Britannic', 'Ocean liner', 'For White Star Line']. ['5 September', 'United States', 'Fore River Shipyard', 'Quincy, Massachusetts', 'Northampton', 'Northampton-class cruiser', '']. ['7 September', 'United States', 'Newport News Shipbuilding & Dry Dock Company', 'Newport News, Virginia', 'Houston', 'Northampton-class cruiser', '']. ['Date unknown', 'Norway', 'Trondhjems mekaniske Vaerksted', 'Trondheim', 'Baroy', 'Passenger/cargo ship', '']. ['Date unknown', 'Germany', 'Deutsche Werft', 'Hamburg', 'Ceuta', 'Cargo ship', 'For Oldenburg-Portugiesische Dampfschiffs-Reederei']. ['Date unknown', 'Germany', 'AG Weser', 'Bremen', 'Hercules', 'Cargo ship', 'For Dampfschiffahrts-Gesellschaft Neptun']. ['Date unknown', 'United Kingdom', 'Smiths Dock Co Ltd', 'Middlesbrough', 'Vikingen I', 'Whaler', '']. ['Date unknown', 'United Kingdom', 'Smiths Dock Co Ltd', 'Middlesbrough', 'Vikingen II', 'Whaler', '']. ['Date unknown', 'United Kingdom', 'Smiths Dock Co Ltd', 'Middlesbrough', 'Vikingen III', 'Whaler', '']. ['Date unknown', 'Sweden', '', 'Bjorkenas, Sweden', 'Yngve', 'Schooner', '']
[EX A]: what were all of the builders?

[EX Q]: Table: ['School Year', 'Class A', 'Class AA', 'Class AAA', 'Class AAAA', 'Class AAAAA']. ['1994-95', 'Menard', 'Van Alstyne', 'Cameron Yoe', 'Wichita Falls', 'Weslaco']. ['1995-96', 'Era', 'Coahoma', 'Colorado City', 'Livingston', 'Duncanville']. ['1996-97', 'Sulphur Bluff', 'Marion', 'Colorado City', 'Snyder', 'Duncanville']. ['1997-98', 'Westbrook', 'Edgewood', 'Perryton', 'San Angelo Lake View', 'Flower Mound Marcus']. ['1998-99', 'Graford', 'Lindsay', 'Hamshire-Fannett', 'Brownwood', 'Weslaco']. ['1999-2000', 'Garden City', 'Keene', 'Giddings', 'Friendswood', 'College Station A&M Consolidated']. ['2000-01', 'Granger', 'Edgewood', 'Midland Greenwood', 'Friendswood', 'College Station A&M Consolidated']. ['2001-02', 'Lazbuddie', 'Edgewood', 'Giddings', 'Friendswood', 'Pasadena Dobie']. ['2002-03', 'Rocksprings', 'Rosebud-Lott', 'Pearsall', 'Harlingen South', 'San Antonio Clark']. ['2003-04', 'Lazbuddie', 'Wall', 'Hamshire-Fannett', 'Friendswood', 'Klein']. ['2004-05', 'Loop', 'Mount Pleasant Chapel Hill', 'Llano', 'Sherman', 'College Station A&M Consolidated']. ['2005-06', 'Wellington', 'Centerville', 'Hamshire-Fannett', 'Brownwood', 'Abilene Cooper']. ['2006-07', 'Springlake-Earth', 'Crawford', 'Princeton', 'Friendswood', 'College Station A&M Consolidated']. ['2007-08', 'Springlake-Earth', 'Grandview', 'Hamshire-Fannett', 'Sherman', 'Mission Sharyland']. ['2008-09', 'Garden City', 'Shelbyville', 'Lubbock-Cooper', 'Friendswood', 'Humble Kingwood']
[EX A]:
which competitors are in class aa?