คู่ไหนได้คะแนนประชาชนไม่ถึง 2.0 ไม่จำเป็นต้องใช้ทุกโต๊ะ
What couple had less than 2.0 points from the public?It is not neccessary to use all the tables.
 table_19744915_22:  (couple [ VARCHAR ] public [ INTEGER) ]
SELECT couple FROM table_19744915_22 WHERE public < 2.0