ใครมีสถิติมากที่สุด ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
who has held the most records ?It is not neccessary to use all the tables.
 table_204_550:  id [ number]  "event" [ text]  "record" [ text]  "athlete" [ text]  "date" [ text]  "meet" [ text]  "place" [ text] 
SELECT "athlete" FROM table_204_550 GROUP BY "athlete" ORDER BY COUNT(*) DESC LIMIT 1