user: Question: Which Nationality has a Player of Rudy Poeschek?
Columns: ['Round', 'Player', 'Position', 'Nationality', 'College/Junior/Club Team (League)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Ulf Dahlen', 'RW', 'Sweden', 'Ostersund (Sweden)']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Player" = 'Rudy Poeschek';