user: Question: What is the nationality of Christian Lefebvre?
Columns: ['Pick', 'Player', 'Position', 'Nationality', 'NHL team', 'College/junior/club team']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [81.0, 'Antti-Jussi Niemi', 'Defence', 'Finland', 'Ottawa Senators', 'Jokerit (Finland)']
SQL:

assistant: SELECT "Nationality" FROM "Table" WHERE "Player" = 'Christian Lefebvre';