user: Question: What's the nationality of the player coming from Edmonton Oil Kings (WCHL)?
Columns: ['Pick #', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [49.0, 'Andre St. Laurent', 'Centre', 'Canada', 'New York Islanders', 'Montreal Junior Canadiens (QMJHL)']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "College/junior/club team" = 'Edmonton Oil Kings (WCHL)';