Definition: 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
Input: Table: ['Rank', 'Name', 'Nationality', 'Time']. ['', 'Gustavo Borges', 'Brazil', '1:49.41']. ['', 'Scott Tucker', 'United States', '1:50.99']. ['', 'Leonardo Costa', 'Brazil', '1:51.29']. ['', 'Mark Johnston', 'Canada', '1:51.29']. ['5', 'Nate Boyle', 'United States', '1:52.83']. ['6', 'Yannick Lupien', 'Canada', '1:52.92']. ['7', 'Joshua Ilika', 'Mexico', '1:53.73']. ['8', 'Javier Diaz', 'Mexico', '1:54.01']
Output:
who were all of the swimmers competing at the 1999 pan american games - men's 200 metre freestyle?