What was the maximum attendance when Chicago is the visiting team?
CREATE TABLE table_name_91 (attendance INTEGER, visitor VARCHAR)
SELECT MAX(attendance) FROM table_name_91 WHERE visitor = "chicago"
### Context: CREATE TABLE table_name_91 (attendance INTEGER, visitor VARCHAR) ### Question: What was the maximum attendance when Chicago is the visiting team? ### Answer: SELECT MAX(attendance) FROM table_name_91 WHERE visitor = "chicago"