user: Question: Tell me the pick for Canada Centre
Columns: ['Pick', 'Player', 'Position', 'Nationality', 'NHL team']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['53', 'Corey Neilson', 'Defence', 'Canada', 'Edmonton Oilers']
SQL:

assistant: SELECT "Pick" FROM "Table" WHERE "Position" = 'Centre' AND "Nationality" = 'Canada';