user: Question: Which visitor has a record of 2-4?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['April 18', 'Chicago Black Hawks', '4–2', 'Boston Bruins', '1-0']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Record" = '2-4';