user: Question: What nationality is listed when the college/junior/club team is Oshawa Generals (OHL)?
Columns: ['Pick #', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [127.0, 'Tom Ryan', 'Defence', 'United States', 'Pittsburgh Penguins', 'Newton North High School (USHS-MA)']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "College/junior/club team" = 'Oshawa Generals (OHL)';