รอบไหนจัดวันที่ 9 ส.ค. ไม่จำเป็นต้องใช้ทุกโต๊ะ
Which rounds were held on August 9?It is not neccessary to use all the tables.
 table_16286:  "Rnd" [ text]  "Circuit" [ text]  "City/Location" [ text]  "Date" [ text]  "Report" [ text] 
SELECT "Rnd" FROM table_16286 WHERE "Date" = 'August 9'