user: Question: What is Visitor, when Home is Philadelphia, and when Date is November 18?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Decision', 'Attendance', 'Record', 'Points']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'real']
Sample row: ['November 11', 'NY Rangers', '3 – 0', 'Philadelphia', 'Miller', 5000.0, '0–1–0', 0.0]
SQL:

assistant: SELECT "Visitor" FROM "Table" WHERE "Home" = 'Philadelphia' AND "Date" = 'November 18';