instruction: what was the difference between the total amount of output and input of patient 782 on 03/04/2103?
response: SELECT (SELECT SUM(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 = 782)) AND STRFTIME('%y-%m-%d', inputevents_cv.charttime) = '2103-03-04') - (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 = 782)) AND STRFTIME('%y-%m-%d', outputevents.charttime) = '2103-03-04')