SELECT DISTINCT(o1.person_id)
FROM obs o1
WHERE concept_id = 134  #birthday CALL IS effective
AND value_coded = 144
AND voided = 0
AND o1.obs_datetime > (
        SELECT MAX(obs_datetime)
        FROM obs o2
        WHERE concept_id = 107 #person entered birthday wrong 3 times
        AND value_coded = 1
        AND voided = 0
        AND o2.person_id = o1.person_id
    );