what is patient 14611's yearly maximum level of other cells until 60 months ago?
select max(labevents.valuenum) from labevents where labevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 14611 ) and labevents.itemid in ( select d_labitems.itemid from d_labitems where d_labitems.label = 'other cells' ) and datetime(labevents.charttime) <= datetime(current_time,'-60 month') group by strftime('%y',labevents.charttime)