user: Question: What player is a Cornerback?
Columns: ['Pick', 'Round', 'Player', 'Position', 'School']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, '1', 'Vinny Testaverde', 'Quarterback', 'Miami (FL)']
SQL:

assistant: SELECT "Player" FROM "Table" WHERE "Position" = 'Cornerback';