กี่ครั้งแล้วที่ผู้ป่วย 19473 ได้รับคำแนะนำ CV cath plcmt w จนถึง 1 ปีที่แล้ว?ไม่จำเป็นต้องใช้ตารางทั้งหมด
how many times patient 19473 has received the cv cath plcmt w guidance until 1 year ago?It is not neccessary to use all the tables.
 outputevents:  row_id [ number]  subject_id [ number]  hadm_id [ number]  icustay_id [ number]  charttime [ time]  itemid [ number]  value [ number] 
SELECT COUNT(*) FROM procedures_icd WHERE procedures_icd.icd9_code = (SELECT d_icd_procedures.icd9_code FROM d_icd_procedures WHERE d_icd_procedures.short_title = 'cv cath plcmt w guidance') AND procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 19473) AND DATETIME(procedures_icd.charttime) <= DATETIME(CURRENT_TIME(), '-1 year')