user: Question: Name the nationality of the player with round more than 4
Columns: ['Round', 'Player', 'Nationality', 'NHL team', 'College/Junior/Club team (league)']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Thomas Hickey (D)', 'Canada', 'Los Angeles Kings', 'Seattle Thunderbirds ( WHL )']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Round" > 4.0;