when was patient 12885 given a procedure for the first time in the last hospital encounter?
select procedures_icd.charttime from procedures_icd where procedures_icd.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 12885 and admissions.dischtime is not null order by admissions.admittime desc limit 1 ) order by procedures_icd.charttime asc limit 1