user: Question: What was the Visitor when the home was Toronto Maple Leafs and the score was 4–1?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['March 20', 'Toronto Maple Leafs', '1–0', 'Montreal Canadiens', '1–0']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Home" = 'Toronto Maple Leafs' AND "Score" = '4–1';