ในเดือนนี้มีการสั่ง carbamazepine xr ให้กับผู้ป่วย 23070 กี่ครั้งแล้ว?ไม่จำเป็นต้องใช้ตารางทั้งหมด
how many times has the carbamazepine xr been ordered for patient 23070 in this month?It is not neccessary to use all the tables.
 inputevents_cv:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icustay_id [ number]  charttime [ time]  itemid [ number]  amount [ number] 
SELECT COUNT(*) FROM prescriptions WHERE prescriptions.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 23070) AND prescriptions.drug = 'carbamazepine xr' AND DATETIME(prescriptions.startdate, 'start of month') = DATETIME(CURRENT_TIME(), 'start of month', '-0 month')