SELECT * FROM `db_193470_2`.`movies` WHERE CATEGORY LIKE '%Mystery%' AND (ORIGINALTITLE LIKE '%Mairead Armstrong%' OR TRANSLATEDTITLE LIKE '%Mairead Armstrong%' OR ACTORS LIKE '%Mairead Armstrong%' OR DIRECTOR LIKE '%Mairead Armstrong%' OR PRODUCER LIKE '%Mairead Armstrong%') ORDER BY SOURCE DESC, NUM DESC LIMIT -50,50

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