ครั้งสุดท้ายที่ผู้ป่วย 21074 ได้รับการจ่ายเข็มฉีดยาและ amiodarone hcl พร้อมกันในวันที่ 05/2103?ไม่จำเป็นต้องใช้ตารางทั้งหมด
the last time patient 21074 was prescribed syringe and amiodarone hcl at the same time in 05/2103?It is not neccessary to use all the tables.
 labevents:  row_id [ number]  subject_id [ number]  hadm_id [ number]  itemid [ number]  charttime [ time]  valuenum [ number]  valueuom [ text] 
SELECT t1.startdate FROM (SELECT admissions.subject_id, prescriptions.startdate FROM prescriptions JOIN admissions ON prescriptions.hadm_id = admissions.hadm_id WHERE prescriptions.drug = 'amiodarone hcl' AND admissions.subject_id = 21074 AND STRFTIME('%y-%m', prescriptions.startdate) = '2103-05') AS t1 JOIN (SELECT admissions.subject_id, prescriptions.startdate FROM prescriptions JOIN admissions ON prescriptions.hadm_id = admissions.hadm_id WHERE prescriptions.drug = 'syringe' AND admissions.subject_id = 21074 AND STRFTIME('%y-%m', prescriptions.startdate) = '2103-05') AS t2 ON t1.subject_id = t2.subject_id WHERE DATETIME(t1.startdate) = DATETIME(t2.startdate) ORDER BY t1.startdate DESC LIMIT 1