user: Question: What round was the Nose Tackle drafted?
Columns: ['Pick', 'Round', 'Player', 'Position', 'School']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['33 (from Oakland)', 2.0, 'Greg Roberts', 'Guard', 'Oklahoma']
SQL:

assistant: SELECT "Round" FROM "Table" WHERE "Position" = 'Nose Tackle';