5 options

SELECT * FROM gallery2 WHERE topic_id="768906" UNION SELECT * FROM gallery2 WHERE topic_id="617270" UNION SELECT * FROM gallery2 WHERE topic_id="931112" UNION SELECT * FROM gallery2 WHERE topic_id="1252992" UNION SELECT * FROM gallery2 WHERE topic_id="1751620" UNION SELECT * FROM gallery2 WHERE topic_id="1668425" UNION SELECT * FROM gallery2 WHERE topic_id="360671" UNION SELECT * FROM gallery2 WHERE topic_id="1774889" UNION SELECT * FROM gallery2 WHERE topic_id="1399484" UNION SELECT * FROM gallery2 WHERE topic_id="1323561" UNION SELECT * FROM gallery2 WHERE topic_id="859580" UNION SELECT * FROM gallery2 WHERE topic_id="1082400" UNION SELECT * FROM gallery2 WHERE topic_id="650968" UNION SELECT * FROM gallery2 WHERE topic_id="266077" UNION SELECT * FROM gallery2 WHERE topic_id="1661923" UNION SELECT * FROM gallery2 WHERE topic_id="1441234"