on the last intensive care unit visit, when did patient 3277 receive an intake for the last time?
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 = 3277 ) and icustays.outtime is not null order by icustays.intime desc limit 1 ) order by inputevents_cv.charttime desc limit 1