Crowd ใดมีทีมเยือนของซิดนีย์?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which Crowd has a Away team of sydney?It is not neccessary to use all the tables.
 table_name_85:  (crowd [ INTEGER ] away_team [ VARCHAR) ]
SELECT MAX(crowd) FROM table_name_85 WHERE away_team = "sydney"