user: Question: What's the highest attendance for a game the Texan's played at Arrowhead Stadium?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Game site', 'Record', 'Attendance']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: ['HOF', 'August 5, 2002', 'at New York Giants', 'L 34–17', 'Fawcett Stadium', '0–1', 22461.0]
SQL:

assistant: SELECT MAX("Attendance") FROM "Table" WHERE "Game site" = 'Arrowhead Stadium';