งานไหนที่ฮ่องกงไปไม่ถึง 2 รอบ ก็ไม่ต้องใช้ทุกโต๊ะ
What event was in hong kong and went less than 2 rounds?It is not neccessary to use all the tables.
 table_name_66:  (event [ VARCHAR ] round [ VARCHAR ] location [ VARCHAR) ]
SELECT event FROM table_name_66 WHERE round < 2 AND location = "hong kong"