indicate the yearly minimum dose of ns 1/2cc:1cc replace that patient 28443 has received since 06/2104.
select min(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 = 28443 ) ) and inputevents_cv.itemid in ( select d_items.itemid from d_items where d_items.label = 'ns 1/2cc:1cc replace' and d_items.linksto = 'inputevents_cv' ) and strftime('%y-%m',inputevents_cv.charttime) >= '2104-06' group by strftime('%y',inputevents_cv.charttime)