In need of a study buddy 😩

SELECT * FROM gallery2 WHERE topic_id="686495" UNION SELECT * FROM gallery2 WHERE topic_id="975562" UNION SELECT * FROM gallery2 WHERE topic_id="269286" UNION SELECT * FROM gallery2 WHERE topic_id="1105895" UNION SELECT * FROM gallery2 WHERE topic_id="997688" UNION SELECT * FROM gallery2 WHERE topic_id="297205" UNION SELECT * FROM gallery2 WHERE topic_id="672640" UNION SELECT * FROM gallery2 WHERE topic_id="668869" UNION SELECT * FROM gallery2 WHERE topic_id="1158351" UNION SELECT * FROM gallery2 WHERE topic_id="1402300" UNION SELECT * FROM gallery2 WHERE topic_id="627534" UNION SELECT * FROM gallery2 WHERE topic_id="75142" UNION SELECT * FROM gallery2 WHERE topic_id="342348" UNION SELECT * FROM gallery2 WHERE topic_id="1821500" UNION SELECT * FROM gallery2 WHERE topic_id="21752" UNION SELECT * FROM gallery2 WHERE topic_id="1414427"