instruction: on the first hospital visit, what was the monthly minimum intake of 3/4 str ultracal of patient 14467?
response: 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 = 14467 AND NOT admissions.dischtime IS NULL ORDER BY admissions.admittime LIMIT 1)) AND inputevents_cv.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = '3/4 str ultracal' AND d_items.linksto = 'inputevents_cv') GROUP BY STRFTIME('%y-%m', inputevents_cv.charttime)