user: Question: Who plays Halfback?
Columns: ['Pick', 'Team', 'Player', 'Position', 'College']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [33.0, 'Denver Broncos', 'Bob Breitenstein Category:Articles with hCards', 'Tackle', 'Tulsa']
SQL:

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