when did patient 73652 receive a procedure until 1 year ago last?
select procedures_icd.charttime from procedures_icd where procedures_icd.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 73652 ) and datetime(procedures_icd.charttime) <= datetime(current_time,'-1 year') order by procedures_icd.charttime desc limit 1