ผลลัพธ์ที่ผู้ป่วย 52456 มีครั้งแรกเมื่อเดือนที่แล้ว/06 คืออะไร? ไม่จำเป็นต้องใช้ตารางทั้งหมด
what is the output that patient 52456 first had on last month/06?It is not neccessary to use all the tables.
 d_icd_diagnoses:  row_id [ number]  icd9_code [ text]  short_title [ text]  long_title [ text] 
SELECT d_items.label FROM d_items WHERE d_items.itemid IN (SELECT outputevents.itemid FROM outputevents WHERE outputevents.icustay_id IN (SELECT icustays.icustay_id FROM icustays WHERE icustays.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 52456)) AND DATETIME(outputevents.charttime, 'start of month') = DATETIME(CURRENT_TIME(), 'start of month', '-1 month') AND STRFTIME('%d', outputevents.charttime) = '06' ORDER BY outputevents.charttime LIMIT 1)