user: Question: What is Position, when Nationality is "Canada", and when Round is greater than 3?
Columns: ['Round', 'Player', 'Position', 'Nationality', 'College/Junior/Club Team (League)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Mikkel Boedker', '(LW)', 'Denmark', 'Kitchener Rangers ( OHL )']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Nationality" = 'Canada' AND "Round" > 3.0;