user: Question: Who was the visitor in the game that led to a 39-20-6 record?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['March 2', 'Pittsburgh', '4–5', 'Philadelphia', '39-20-6']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Record" = '39-20-6';