ผู้ป่วย 64873 เข้ารับการรักษาขั้นตอนใดเป็นครั้งแรกนับตั้งแต่ 3 ปีที่แล้ว?ไม่จำเป็นต้องใช้ตารางทั้งหมด
what procedure did patient 64873 undergo for the first time since 3 years ago?It is not neccessary to use all the tables.
 admissions:  row_id [ number]  subject_id [ number]  hadm_id [ number]  admittime [ time]  dischtime [ time]  admission_type [ text]  admission_location [ text]  discharge_location [ text]  insurance [ text]  language [ text]  marital_status [ text]  ethnicity [ text]  age [ number] 
SELECT d_icd_procedures.short_title FROM d_icd_procedures WHERE d_icd_procedures.icd9_code IN (SELECT procedures_icd.icd9_code FROM procedures_icd WHERE procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 64873) AND DATETIME(procedures_icd.charttime) >= DATETIME(CURRENT_TIME(), '-3 year') ORDER BY procedures_icd.charttime LIMIT 1)