###HUMAN: when did patient 027-149724 get for the last time a lab test since 29 months ago?, ###ASSISTANT: SELECT lab.labresulttime FROM lab WHERE lab.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '027-149724')) AND DATETIME(lab.labresulttime) >= DATETIME(CURRENT_TIME(), '-29 month') ORDER BY lab.labresulttime DESC LIMIT 1