ใครคือแชมป์คนโสดใน Trieste Italy?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Who was the Singles Champions in Trieste Italy?It is not neccessary to use all the tables.
 table_name_9:  (singles_champions [ VARCHAR ] country [ VARCHAR ] city [ VARCHAR) ]
SELECT singles_champions FROM table_name_9 WHERE country = "italy" AND city = "trieste"