user: Question: How many field goals did Duncan Thompson have?
Columns: ['Player', 'Position', 'Starter', 'Touchdowns', 'Extra points', 'Field goals', 'Points']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Tom Hammond', 'Fullback', 'yes', 2.0, 10.0, 0.0, 20.0]
SQL:

assistant: SELECT "Field goals" FROM "Table" WHERE "Player" = 'Duncan Thompson';