การโจมตีใดมี GERB 30,00%?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What Attack has a 30,00% GERB?It is not neccessary to use all the tables.
 table_6490:  "Source" [ text]  "Date" [ text]  "GERB" [ text]  "Attack" [ text] 
SELECT "Attack" FROM table_6490 WHERE "GERB" = '30,00%'