Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_48 (attendance INTEGER, opponent VARCHAR, week VARCHAR)
### Question:
What is the largest attendance number when the Chicago Cardinals were the opponent and the week was less than 4?
### Answer:
SELECT MAX(attendance) FROM table_name_48 WHERE opponent = "chicago cardinals" AND week < 4