รอบใดมีอันดับ WTA Tour ปี 2008?ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which Round has a Ranking of 2008 wta tour?It is not neccessary to use all the tables.
 table_33875:  "Player" [ text]  "Ranking" [ text]  "Event" [ text]  "Surface" [ text]  "Round" [ text]  "Score" [ text] 
SELECT "Round" FROM table_33875 WHERE "Ranking" = '2008 wta tour'