user: Question: Which round has an Offensive Tackle position?
Columns: ['Pick', 'Round', 'Player', 'Position', 'School']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [6.0, 1.0, 'Trent Dilfer', 'Quarterback', 'Fresno State']
SQL:

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