user: Question: Which Overall is the lowest one that has a Position of Offensive Tackle?
Columns: ['Round', 'Pick #', 'Overall', 'Name', 'Position', 'College']
Types: ['real', 'real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 24.0, 24.0, 'Peria Jerry', 'Defensive Tackle', 'Mississippi']
SQL:

assistant: SELECT MIN("Overall") FROM "Table" WHERE "Position" = 'Offensive Tackle';