SELECT * FROM `db_193470_2`.`movies` WHERE CATEGORY LIKE '%Action%' AND (ORIGINALTITLE LIKE '%Grace Huang%' OR TRANSLATEDTITLE LIKE '%Grace Huang%' OR ACTORS LIKE '%Grace Huang%' OR DIRECTOR LIKE '%Grace Huang%' OR PRODUCER LIKE '%Grace Huang%') ORDER BY SOURCE DESC, NUM DESC LIMIT -50,50

Invalid Query: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-50,50' at line 1