ฟุตบอลที่สนามกีฬาเทียนเหอคือระดับใด?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which tier is for football at Tianhe Stadium?It is not neccessary to use all the tables.
 table_name_62:  (tier [ VARCHAR ] sport [ VARCHAR ] stadium [ VARCHAR) ]
SELECT tier FROM table_name_62 WHERE sport = "football" AND stadium = "tianhe stadium"