when did the last time patient 7073 had a parent infus nutrit sub performed during the previous year?
select procedures_icd.charttime from procedures_icd where procedures_icd.icd9_code = ( select d_icd_procedures.icd9_code from d_icd_procedures where d_icd_procedures.short_title = 'parent infus nutrit sub' ) and procedures_icd.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 7073 ) and datetime(procedures_icd.charttime,'start of year') = datetime(current_time,'start of year','-1 year') order by procedures_icd.charttime desc limit 1