what is the daily minimum bicarbonate value for patient 10624 on this hospital encounter?
select min(labevents.valuenum) from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 10624 and admissions.dischtime is null ) and labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'bicarbonate' ) group by strftime('%y-%m-%d',labevents.charttime)