ครั้งสุดท้ายที่ผู้ป่วย 007-9853 ได้รับการสั่งยา senna-docusate และ chlorhexidine gluconate ud liq 15ml พร้อมกันในวันที่ 10/2102? ไม่จำเป็นที่จะต้องใช้ตารางทั้งหมด
when was the last time patient 007-9853 had been prescribed senna-docusate and chlorhexidine gluconate ud liq 15ml at the same time in 10/2102?It is not neccessary to use all the tables.
 treatment:  treatmentid [ number]  patientunitstayid [ number]  treatmentname [ text]  treatmenttime [ time] 
SELECT t1.drugstarttime FROM (SELECT patient.uniquepid, medication.drugstarttime FROM medication JOIN patient ON medication.patientunitstayid = patient.patientunitstayid WHERE medication.drugname = 'senna-docusate' AND patient.uniquepid = '007-9853' AND STRFTIME('%y-%m', medication.drugstarttime) = '2102-10') AS t1 JOIN (SELECT patient.uniquepid, medication.drugstarttime FROM medication JOIN patient ON medication.patientunitstayid = patient.patientunitstayid WHERE medication.drugname = 'chlorhexidine gluconate ud liq 15ml' AND patient.uniquepid = '007-9853' AND STRFTIME('%y-%m', medication.drugstarttime) = '2102-10') AS t2 ON t1.uniquepid = t2.uniquepid WHERE DATETIME(t1.drugstarttime) = DATETIME(t2.drugstarttime) ORDER BY t1.drugstarttime DESC LIMIT 1