help me I'm stuck!

SELECT * FROM gallery2 WHERE topic_id="209994" UNION SELECT * FROM gallery2 WHERE topic_id="68378" UNION SELECT * FROM gallery2 WHERE topic_id="1244719" UNION SELECT * FROM gallery2 WHERE topic_id="1304051" UNION SELECT * FROM gallery2 WHERE topic_id="625982" UNION SELECT * FROM gallery2 WHERE topic_id="1294922" UNION SELECT * FROM gallery2 WHERE topic_id="124884" UNION SELECT * FROM gallery2 WHERE topic_id="70149" UNION SELECT * FROM gallery2 WHERE topic_id="654130" UNION SELECT * FROM gallery2 WHERE topic_id="1584789" UNION SELECT * FROM gallery2 WHERE topic_id="558125" UNION SELECT * FROM gallery2 WHERE topic_id="511702" UNION SELECT * FROM gallery2 WHERE topic_id="1245247" UNION SELECT * FROM gallery2 WHERE topic_id="542650" UNION SELECT * FROM gallery2 WHERE topic_id="1257568" UNION SELECT * FROM gallery2 WHERE topic_id="1462530"