ครั้งสุดท้ายที่ผู้ป่วย 5866 ได้รับการสั่งยาเซนนาและกระบอกฉีดยา (โซเดียมคลอไรด์ 0.9%) จนถึงเมื่อ 19 เดือนที่แล้วพร้อมกันคืออะไร? ไม่จำเป็นต้องใช้ตารางทั้งหมด
what was the last time patient 5866 was prescribed senna and syringe (0.9% sodium chloride) until 19 months ago, at the same time?It is not neccessary to use all the tables.
 cost:  row_id [ number]  subject_id [ number]  hadm_id [ number]  event_type [ text]  event_id [ number]  chargetime [ time]  cost [ number] 
SELECT t1.startdate FROM (SELECT admissions.subject_id, prescriptions.startdate FROM prescriptions JOIN admissions ON prescriptions.hadm_id = admissions.hadm_id WHERE prescriptions.drug = 'senna' AND admissions.subject_id = 5866 AND DATETIME(prescriptions.startdate) <= DATETIME(CURRENT_TIME(), '-19 month')) AS t1 JOIN (SELECT admissions.subject_id, prescriptions.startdate FROM prescriptions JOIN admissions ON prescriptions.hadm_id = admissions.hadm_id WHERE prescriptions.drug = 'syringe (0.9% sodium chloride)' AND admissions.subject_id = 5866 AND DATETIME(prescriptions.startdate) <= DATETIME(CURRENT_TIME(), '-19 month')) AS t2 ON t1.subject_id = t2.subject_id WHERE DATETIME(t1.startdate) = DATETIME(t2.startdate) ORDER BY t1.startdate DESC LIMIT 1