user: Question: What is the nationality for the position of (D), and college was SC Bern ( Swiss )?
Columns: ['Round', 'Pick', 'Player', 'Position', 'Nationality', 'College']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, '7 (from Toronto via NY Islanders)', 'Colin Wilson', '(C)', 'United States', 'Boston University ( Hockey East )']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Position" = '(D)' AND "College" = 'SC Bern ( Swiss )';