instruction: when was the first time that patient 035-15069 was prescribed medication via an iv route since 157 months ago?
response: SELECT medication.drugstarttime FROM medication WHERE medication.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '035-15069')) AND medication.routeadmin = 'iv' AND DATETIME(medication.drugstarttime) >= DATETIME(CURRENT_TIME(), '-157 month') ORDER BY medication.drugstarttime LIMIT 1