user: Question: How many were in attendance at Griffith Stadium with Philadelphia Eagles as an opponent?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 16, 1937', 'New York Giants', 'W 13–3', 'Griffith Stadium', '1–0', '25,000']
SQL:

assistant: SELECT "Attendance" FROM "Table" WHERE "Game site" = 'Griffith Stadium' AND "Opponent" = 'Philadelphia Eagles';