แมตช์วันที่ 13 ก.ค. มีผู้เข้าร่วมกี่คน/ไม่จำเป็นต้องใช้โต๊ะทั้งหมด
How many people were at the match on July 13/It is not neccessary to use all the tables.
 table_68683:  "Date" [ text]  "Opponent" [ text]  "Score" [ text]  "Loss" [ text]  "Attendance" [ real]  "Record" [ text] 
SELECT "Attendance" FROM table_68683 WHERE "Date" = 'july 13'