count the number of times patient 14611 had had his or her .9% normal saline intake on 04/17/2101.
select count(*) 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 = 14611 ) ) and inputevents_cv.itemid in ( select d_items.itemid from d_items where d_items.label = '.9% normal saline' and d_items.linksto = 'inputevents_cv' ) and strftime('%y-%m-%d',inputevents_cv.charttime) = '2101-04-17'