what intake did patient 21003 have the last time since 687 days ago.
select d_items.label from d_items where d_items.itemid in ( select inputevents_cv.itemid 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 = 21003 ) ) and datetime(inputevents_cv.charttime) >= datetime(current_time,'-687 day') order by inputevents_cv.charttime desc limit 1 )