user: Question: What numbered pick attended Western Ontario and is an OL?
Columns: ['Pick #', 'CFL Team', 'Player', 'Position', 'School']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [39.0, 'Saskatchewan Roughriders', 'Jamie Forsythe', 'OL', 'Western Ontario']
SQL:

assistant: SELECT "Pick #" FROM "Table" WHERE "School" = 'Western Ontario' AND "Position" = 'OL';