indicate the yearly maximum volume of foley that patient 15986 has had since 03/24/2101.
select max(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 = 15986 ) ) and outputevents.itemid in ( select d_items.itemid from d_items where d_items.label = 'foley' and d_items.linksto = 'outputevents' ) and strftime('%y-%m-%d',outputevents.charttime) >= '2101-03-24' group by strftime('%y',outputevents.charttime)