Which Attendance has an Opponent of perth glory, and a Round of 9?
CREATE TABLE table_name_91 (attendance INTEGER, opponent VARCHAR, round VARCHAR)
SELECT MIN(attendance) FROM table_name_91 WHERE opponent = "perth glory" AND round = "9"
### Context: CREATE TABLE table_name_91 (attendance INTEGER, opponent VARCHAR, round VARCHAR) ### Question: Which Attendance has an Opponent of perth glory, and a Round of 9? ### Answer: SELECT MIN(attendance) FROM table_name_91 WHERE opponent = "perth glory" AND round = "9"