does patient 15178 have a normal sao2 since 11/05/2100?
select count(*)>0 from chartevents where chartevents.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 15178 ) ) and chartevents.itemid in ( select d_items.itemid from d_items where d_items.label = 'sao2' and d_items.linksto = 'chartevents' ) and chartevents.valuenum between sao2_lower and sao2_upper and strftime('%y-%m-%d',chartevents.charttime) >= '2100-11-05'