Need some help cleaning?

SELECT * FROM gallery2 WHERE topic_id="683845" UNION SELECT * FROM gallery2 WHERE topic_id="1775152" UNION SELECT * FROM gallery2 WHERE topic_id="677961" UNION SELECT * FROM gallery2 WHERE topic_id="941727" UNION SELECT * FROM gallery2 WHERE topic_id="554351" UNION SELECT * FROM gallery2 WHERE topic_id="1426648" UNION SELECT * FROM gallery2 WHERE topic_id="1544706" UNION SELECT * FROM gallery2 WHERE topic_id="1604633" UNION SELECT * FROM gallery2 WHERE topic_id="790097" UNION SELECT * FROM gallery2 WHERE topic_id="1285978" UNION SELECT * FROM gallery2 WHERE topic_id="1579993" UNION SELECT * FROM gallery2 WHERE topic_id="1798146" UNION SELECT * FROM gallery2 WHERE topic_id="684623" UNION SELECT * FROM gallery2 WHERE topic_id="58326" UNION SELECT * FROM gallery2 WHERE topic_id="1827197" UNION SELECT * FROM gallery2 WHERE topic_id="1530169"