เมื่อใดที่ผู้ป่วย 73693 กำหนดให้ bupropion (การปลดปล่อยอย่างต่อเนื่อง) และ amiodarone พร้อมกันเป็นครั้งแรกในเดือนก่อนหน้า?ไม่จำเป็นต้องใช้ตารางทั้งหมด
when for the first time in the previous month was patient 73693 prescribed bupropion (sustained release) and amiodarone at the same time?It is not neccessary to use all the tables.
 icustays:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icustay_id [ number]  first_careunit [ text]  last_careunit [ text]  first_wardid [ number]  last_wardid [ number]  intime [ time]  outtime [ time] 
SELECT t1.startdate FROM (SELECT admissions.subject_id, prescriptions.startdate FROM prescriptions JOIN admissions ON prescriptions.hadm_id = admissions.hadm_id WHERE prescriptions.drug = 'bupropion (sustained release)' AND admissions.subject_id = 73693 AND DATETIME(prescriptions.startdate, 'start of month') = DATETIME(CURRENT_TIME(), 'start of month', '-1 month')) AS t1 JOIN (SELECT admissions.subject_id, prescriptions.startdate FROM prescriptions JOIN admissions ON prescriptions.hadm_id = admissions.hadm_id WHERE prescriptions.drug = 'amiodarone' AND admissions.subject_id = 73693 AND DATETIME(prescriptions.startdate, 'start of month') = DATETIME(CURRENT_TIME(), 'start of month', '-1 month')) AS t2 ON t1.subject_id = t2.subject_id WHERE DATETIME(t1.startdate) = DATETIME(t2.startdate) ORDER BY t1.startdate LIMIT 1