SELECT * FROM `db_193470_2`.`movies` WHERE CATEGORY LIKE '%Thriller%' AND (ORIGINALTITLE LIKE '%Ashraf Farah%' OR TRANSLATEDTITLE LIKE '%Ashraf Farah%' OR ACTORS LIKE '%Ashraf Farah%' OR DIRECTOR LIKE '%Ashraf Farah%' OR PRODUCER LIKE '%Ashraf Farah%') 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