what is the daily maximum amount of other cells of patient 9566 this month?
select max(labevents.valuenum) from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 9566 ) and labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'other cells' ) and datetime(labevents.charttime,'start of month') = datetime(current_time,'start of month','-0 month') group by strftime('%y-%m-%d',labevents.charttime)