user: Question: Name the number of nationalities for Ryan Mckie
Columns: ['Pick', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [190.0, 'Steve Valiquette', 'Goaltender', 'Canada', 'Los Angeles Kings (from Ottawa)', 'Sudbury Wolves (OHL)']
SQL:

assistant: SELECT COUNT("Nationality") FROM "Table" WHERE "Player" = 'Ryan Mckie';