ขอยาที่คนไข้ 011-59493 สั่งไว้ครั้งแรกเมื่อ 06/2105 ครับ ไม่จำเป็นต้องใช้ทุกโต๊ะครับ
give me the drug that patient 011-59493 has been first prescribed in 06/2105.It is not neccessary to use all the tables.
 vitalperiodic:  vitalperiodicid [ number]  patientunitstayid [ number]  temperature [ number]  sao2 [ number]  heartrate [ number]  respiration [ number]  systemicsystolic [ number]  systemicdiastolic [ number]  systemicmean [ number]  observationtime [ time] 
SELECT medication.drugname FROM medication WHERE medication.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '011-59493')) AND STRFTIME('%y-%m', medication.drugstarttime) = '2105-06' ORDER BY medication.drugstarttime LIMIT 1