Which one?

SELECT * FROM gallery2 WHERE topic_id="1993" UNION SELECT * FROM gallery2 WHERE topic_id="572891" UNION SELECT * FROM gallery2 WHERE topic_id="916217" UNION SELECT * FROM gallery2 WHERE topic_id="1714347" UNION SELECT * FROM gallery2 WHERE topic_id="173540" UNION SELECT * FROM gallery2 WHERE topic_id="695764" UNION SELECT * FROM gallery2 WHERE topic_id="1365840" UNION SELECT * FROM gallery2 WHERE topic_id="688738" UNION SELECT * FROM gallery2 WHERE topic_id="885306" UNION SELECT * FROM gallery2 WHERE topic_id="1636643" UNION SELECT * FROM gallery2 WHERE topic_id="1182760" UNION SELECT * FROM gallery2 WHERE topic_id="630269" UNION SELECT * FROM gallery2 WHERE topic_id="561413" UNION SELECT * FROM gallery2 WHERE topic_id="1201494" UNION SELECT * FROM gallery2 WHERE topic_id="1537432" UNION SELECT * FROM gallery2 WHERE topic_id="1519610"