how many times patient 19473 has received the cv cath plcmt w guidance until 1 year ago?
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')