Pick one [3]

SELECT * FROM gallery2 WHERE topic_id="178325" UNION SELECT * FROM gallery2 WHERE topic_id="261047" UNION SELECT * FROM gallery2 WHERE topic_id="325788" UNION SELECT * FROM gallery2 WHERE topic_id="172363" UNION SELECT * FROM gallery2 WHERE topic_id="1205287" UNION SELECT * FROM gallery2 WHERE topic_id="71412" UNION SELECT * FROM gallery2 WHERE topic_id="686146" UNION SELECT * FROM gallery2 WHERE topic_id="1607308" UNION SELECT * FROM gallery2 WHERE topic_id="1401369" UNION SELECT * FROM gallery2 WHERE topic_id="1072668" UNION SELECT * FROM gallery2 WHERE topic_id="465036" UNION SELECT * FROM gallery2 WHERE topic_id="242804" UNION SELECT * FROM gallery2 WHERE topic_id="1226247" UNION SELECT * FROM gallery2 WHERE topic_id="647399" UNION SELECT * FROM gallery2 WHERE topic_id="1413692" UNION SELECT * FROM gallery2 WHERE topic_id="797246"