instruction: what was the name of the drug that was prescribed to patient 030-47098 for the last time when they came to the hospital first time via subcutan route?
response: SELECT medication.drugname FROM medication WHERE medication.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '030-47098' AND NOT patient.hospitaldischargetime IS NULL ORDER BY patient.hospitaladmittime LIMIT 1)) AND medication.routeadmin = 'subcutan' ORDER BY medication.drugstarttime DESC LIMIT 1