instruction: tell me the total amount of jp lateral patient 64538 had until 03/02/2101?
response: SELECT SUM(outputevents.value) FROM outputevents WHERE outputevents.icustay_id IN (SELECT icustays.icustay_id FROM icustays WHERE icustays.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 64538)) AND outputevents.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'jp lateral' AND d_items.linksto = 'outputevents') AND STRFTIME('%y-%m-%d', outputevents.charttime) <= '2101-03-02'