instruction: what is the monthly minimum amount of stool out stool that patient 61339 had until 71 months ago?
response: SELECT MIN(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 = 61339)) AND outputevents.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'stool out stool' AND d_items.linksto = 'outputevents') AND DATETIME(outputevents.charttime) <= DATETIME(CURRENT_TIME(), '-71 month') GROUP BY STRFTIME('%y-%m', outputevents.charttime)