when was the first intake time of patient 3267 until 1545 days ago.
select inputevents_cv.charttime from inputevents_cv where inputevents_cv.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 3267 ) ) and datetime(inputevents_cv.charttime) <= datetime(current_time,'-1545 day') order by inputevents_cv.charttime asc limit 1