And how [m]any sets do you have left?

SELECT * FROM gallery2 WHERE topic_id="1159602" UNION SELECT * FROM gallery2 WHERE topic_id="1793822" UNION SELECT * FROM gallery2 WHERE topic_id="1485734" UNION SELECT * FROM gallery2 WHERE topic_id="1675390" UNION SELECT * FROM gallery2 WHERE topic_id="1453203" UNION SELECT * FROM gallery2 WHERE topic_id="1821559" UNION SELECT * FROM gallery2 WHERE topic_id="1390825" UNION SELECT * FROM gallery2 WHERE topic_id="1047611" UNION SELECT * FROM gallery2 WHERE topic_id="1147563" UNION SELECT * FROM gallery2 WHERE topic_id="1402052" UNION SELECT * FROM gallery2 WHERE topic_id="1681496" UNION SELECT * FROM gallery2 WHERE topic_id="1035629" UNION SELECT * FROM gallery2 WHERE topic_id="85184" UNION SELECT * FROM gallery2 WHERE topic_id="1561238" UNION SELECT * FROM gallery2 WHERE topic_id="140" UNION SELECT * FROM gallery2 WHERE topic_id="1432532"