Arden Street Oval มีกี่คน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many people at Arden Street Oval?It is not neccessary to use all the tables.
 table_name_21:  (crowd [ VARCHAR ] venue [ VARCHAR) ]
SELECT COUNT(crowd) FROM table_name_21 WHERE venue = "arden street oval"