user: Question: What is the nationality of the player with a round after 4 and plays Right Wing?
Columns: ['Round', 'Player', 'Position', 'Nationality', 'College/Junior/Club Team (League)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [2.0, 'Nico Sacchetti', 'Centre', 'United States', 'Virginia High School ( USHS-MN )']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Round" > 4.0 AND "Position" = 'Right Wing';