WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '''' AND username='' AND timestamp BETWEEN 1231251613 AND 1231251793' at line 1]
SELECT COUNT(DISTINCT wassup_id) AS itemstot FROM wp_wassup WHERE wassup_id IS NOT NULL AND comment_author!=''' AND username='' AND timestamp BETWEEN 1231251613 AND 1231251793