when was the first time patient 29635 arterial bp [systolic] was measured less than 144.0 until 12/31/2103.
select chartevents.charttime 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 = 29635 ) ) and chartevents.itemid in ( select d_items.itemid from d_items where d_items.label = 'arterial bp [systolic]' and d_items.linksto = 'chartevents' ) and chartevents.valuenum < 144.0 and strftime('%y-%m-%d',chartevents.charttime) <= '2103-12-31' order by chartevents.charttime asc limit 1