what is the daily minimum cerebral drain l ventricular drain output that patient 49036 has had until 10/02/2105?
select min(outputevents.value) from outputevents where outputevents.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 49036 ) ) and outputevents.itemid in ( select d_items.itemid from d_items where d_items.label = 'cerebral drain l ventricular drain' and d_items.linksto = 'outputevents' ) and strftime('%y-%m-%d',outputevents.charttime) <= '2105-10-02' group by strftime('%y-%m-%d',outputevents.charttime)