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SELECT p.* FROM wp_posts AS p INNER JOIN wp_term_relationships AS tr ON p.ID = tr.object_id INNER JOIN wp_term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id AND tt.taxonomy = 'category' AND tt.term_id IN () WHERE p.post_date > '2011-03-26 18:47:48' AND p.post_type = 'attachment' AND p.post_status = 'publish' AND tt.taxonomy = 'category' ORDER BY p.post_date ASC LIMIT 1