ผู้ป่วย 25523 ได้รับการผ่าตัดครั้งแรกเมื่อปีที่แล้วเมื่อใด?ไม่จำเป็นต้องใช้ตารางทั้งหมด
when did patient 25523 first undergo a surgery the previous year?It is not neccessary to use all the tables.
 transfers:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icustay_id [ number]  eventtype [ text]  careunit [ text]  wardid [ number]  intime [ time]  outtime [ time] 
SELECT procedures_icd.charttime FROM procedures_icd WHERE procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 25523) AND DATETIME(procedures_icd.charttime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-1 year') ORDER BY procedures_icd.charttime LIMIT 1