user: ### NOW ANSWER:
Question: What is the largest attendance number when the chicago cardinals were the opponent and the week was less than 4?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 27, 1953', 'at Los Angeles Rams', 'L 21–7', 49579.0]
SQL:

assistant: SELECT MAX("Attendance") FROM "Table" WHERE "Opponent" = 'chicago cardinals' AND "Week" < 4.0;