Pick one [3]

SELECT * FROM gallery2 WHERE topic_id="620839" UNION SELECT * FROM gallery2 WHERE topic_id="1577300" UNION SELECT * FROM gallery2 WHERE topic_id="753086" UNION SELECT * FROM gallery2 WHERE topic_id="613597" UNION SELECT * FROM gallery2 WHERE topic_id="433427" UNION SELECT * FROM gallery2 WHERE topic_id="1599295" UNION SELECT * FROM gallery2 WHERE topic_id="168454" UNION SELECT * FROM gallery2 WHERE topic_id="503487" UNION SELECT * FROM gallery2 WHERE topic_id="262007" UNION SELECT * FROM gallery2 WHERE topic_id="418912" UNION SELECT * FROM gallery2 WHERE topic_id="1809461" UNION SELECT * FROM gallery2 WHERE topic_id="895814" UNION SELECT * FROM gallery2 WHERE topic_id="549312" UNION SELECT * FROM gallery2 WHERE topic_id="1222609" UNION SELECT * FROM gallery2 WHERE topic_id="1175389" UNION SELECT * FROM gallery2 WHERE topic_id="1740763"