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 Input:
Table: ['Courthouse', 'City', 'Street address', 'Jurisdiction', 'Dates of use', 'Named for']. ['U.S. Post Office and Court House', 'Brattleboro', '?', 'D. Vt.', '1917-present', 'n/a']. ['U.S. Post Office and Court House', 'Burlington', '175 Main Street', 'D. Vt.', '1870-1982 Destroyed by fire in 1982.', 'n/a']. ['Federal Building, Post Office and Court House', 'Burlington', '11 Elmwood Avenue', 'D. Vt.', '1958-present', 'n/a']. ['U.S. Post Office and Court House', 'Montpelier', '?', 'D. Vt.', '1894-1948 razed ca. 1963', 'n/a']. ['Federal Building', 'Montpelier', 'State Street', 'D. Vt.', '1964-1996 Still in use as a post office.', 'n/a']. ['U.S. Court House, Post Office, and Custom House+', 'Newport', '?', 'D. Vt.', '1904-1948 Now the Orleans County District Court.', 'n/a']. ['U.S. Court House and Post Office', 'Rutland', '10 Court Street', 'D. Vt.', '1859-1933 Now the Rutland Free Library.', 'n/a']. ['U.S. Court House and Post Office', 'Rutland', '?', 'D. Vt.', '1933-present', 'n/a']. ['U.S. Court House and Post Office', 'Windsor', '57 Main St.', 'D. Vt.', '1858-Present Still in use as a post office.', 'n/a']

Ex Output:
how long has the brattleboro courthouse been in use?

Ex Input:
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 Output:
what were all of the builders?

Ex Input:
Table: ['Party', 'First Duma', 'Second Duma', 'Third Duma', 'Fourth Duma']. ['Russian Social Democratic Party', '18 (Mensheviks)', '47 (Mensheviks)', '19 (Bolsheviks)', '15 (Bolsheviks)']. ['Socialist-Revolutionary Party', '-', '37', '-', '-']. ['Labour group', '136', '104', '13', '10']. ['Progressist Party', '27', '28', '28', '41']. ['Constitutional Democratic Party (Kadets)', '179', '92', '52', '57']. ['Non-Russian National Groups', '121', '-', '26', '21']. ['Centre Party', '-', '-', '-', '33']. ['Octobrist Party', '17', '42', '154', '95']. ['Nationalists', '60', '93', '26', '22']. ['Rightists', '8', '10', '147', '154']. ['TOTAL', '566', '453', '465', '448']

Ex Output:
what parties are there?