ยาอะไรในปี 04/ปีนี้ ผู้ป่วย 72198 ถูกกำหนดผ่านเส้นทาง ih เป็นครั้งสุดท้าย? ไม่จำเป็นต้องใช้ตารางทั้งหมด
what was the drug that in 04/this year patient 72198 was prescribed via the ih route for the last time?It is not neccessary to use all the tables.
 admissions:  row_id [ number]  subject_id [ number]  hadm_id [ number]  admittime [ time]  dischtime [ time]  admission_type [ text]  admission_location [ text]  discharge_location [ text]  insurance [ text]  language [ text]  marital_status [ text]  ethnicity [ text]  age [ number] 
SELECT prescriptions.drug FROM prescriptions WHERE prescriptions.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 72198) AND prescriptions.route = 'ih' AND DATETIME(prescriptions.startdate, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-0 year') AND STRFTIME('%m', prescriptions.startdate) = '04' ORDER BY prescriptions.startdate DESC LIMIT 1