what has been the total output that patient 3369 has had until 06/16/2105?
select sum(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 = 3369 ) ) and strftime('%y-%m-%d',outputevents.charttime) <= '2105-06-16'