user: Question: What country did Derek Black come from?
Columns: ['Pick #', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [81.0, 'Derek Black', 'Left Wing', 'Canada', 'New York Islanders', 'Calgary Centennials (WCHA)']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Player" = 'Derek Black';