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
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Question: Table: ['District', 'Area Size (km2)', 'Population', 'Density per km2']. ['Yamato flat inland plain', '837.27', '1,282', '1,531']. ['(Share in %)', '22.7%', '89.7%', '']. ['Yamato highland', '506.89', '56', '110']. ['(Share in %)', '13.7%', '3.9%', '']. ['Gojo, Yoshino', '2,346.84', '92', '39']. ['(Share in %)', '63.6%', '6.4%', '']. ['Total Prefecture', '3,691.09', '1,430', '387']. ['(Share in %)', '100.0%', '100.0%', '']

Answer: what are the different total area land sizes?

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']

Answer: which nations took part in the sailing at the 2008 summer olympics qualification?

Question: Table: ['Finished', 'Post', 'Horse', 'Jockey', 'Trainer', 'Owner', 'Time / behind']. ['1st', '6', 'Silver Charm', 'Gary L. Stevens', 'Bob Baffert', 'Bob & Beverly Lewis', '2:02.44']. ['2nd', '5', 'Captain Bodgit', 'Alex Solis', 'Gary A. Capuano', 'Team Valor', '']. ['3rd', '12', 'Free House', 'David Flores', 'J. Paco Gonzalez', 'John Toffan & Trudy McCaffery', '']. ['4th', '3', 'Pulpit', 'Shane Sellers', 'Frank L. Brothers', 'Claiborne Farm', '']. ['5th', '10', 'Crypto Star', 'Pat Day', 'Wayne M. Catalano', 'Evelyn & Darrell Yates', '']. ['6th', '9', 'Phantom on Tour', 'Jerry D. Bailey', 'Lynn S. Whiting', 'W. Cal Partee', '']. ['7th', '5', 'Jack Flash', 'Craig Perret', 'Nick Zito', 'Dogwood Stable', '']. ['8th', '6', 'Hello', 'Mike Smith', 'Ronald McAnally', 'Sandee & Al Kirkwood', '']. ['9th', '1', 'Concerto', 'Carlos H. Marquez, Jr.', 'John J. Tammaro, III', 'Kinsman Stable', '']. ['10th', '13', 'Celtic Warrior', 'Francisco Torres', 'Danny Hutt', 'Hutt, Quackenbush & Shaffrick', '']. ['11th', '4', 'Crimson Classic', 'Robby Albarado', 'Forrest Kaelin', 'John W. Clay', '']. ['12th', '15', 'Shammy Davis', 'Willie Martinez', 'Nick Zito', 'Fox Hill Farm', '']. ['13th', '11', 'Deeds Not Words', 'Corey Nakatani', 'D. Wayne Lukas', 'Michael Tabor & Susan Magnier', '']

Answer:
what horses placed in the 1997 kentucky derby?