user: Question: Who was the visiting team where the decision was Biron on October 4?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: ['October 4', 'Philadelphia', '3 – 2', 'Calgary', 'Biron', 19289.0, '1–0–0']
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Decision" = 'Biron' AND "Date" = 'October 4';