instruction: when was the last time patient 23070 had a drain out #1 lumbar output since 63 days ago?
response: SELECT outputevents.charttime 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 = 23070)) AND outputevents.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'drain out #1 lumbar' AND d_items.linksto = 'outputevents') AND DATETIME(outputevents.charttime) >= DATETIME(CURRENT_TIME(), '-63 day') ORDER BY outputevents.charttime DESC LIMIT 1