###HUMAN: what is the number of patients who have had a tpn d9.0 intake until 2103?, ###ASSISTANT: SELECT COUNT(DISTINCT admissions.subject_id) FROM admissions WHERE admissions.hadm_id IN (SELECT icustays.hadm_id FROM icustays WHERE icustays.icustay_id IN (SELECT inputevents_cv.icustay_id FROM inputevents_cv WHERE inputevents_cv.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'tpn d9.0' AND d_items.linksto = 'inputevents_cv') AND STRFTIME('%y', inputevents_cv.charttime) <= '2103'))