user: Question: What is the nationality of Bob Essensa?
Columns: ['Pick #', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [63.0, 'Frank Pietrangelo', 'Goaltender', 'Canada', 'Pittsburgh Penguins', 'University of Minnesota (WCHA)']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Player" = 'Bob Essensa';