give me the total amount of mvi that patient 1561 took the previous day.
select sum(inputevents_cv.amount) from inputevents_cv where inputevents_cv.icustay_id in ( select icustays.icustay_id from icustays where icustays.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 1561 ) ) and inputevents_cv.itemid in ( select d_items.itemid from d_items where d_items.label = 'mvi' and d_items.linksto = 'inputevents_cv' ) and datetime(inputevents_cv.charttime,'start of day') = datetime(current_time,'start of day','-1 day')