รูซิชเล่นตำแหน่งไหน?ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
Which Position did Ruzic play?It is not neccessary to use all the tables.
 table_name_30:  position [ VARCHAR]  surname [ VARCHAR] 
SELECT position FROM table_name_30 WHERE surname = "ruzic"