instruction: had any tube feeding been given to patient 30509 until 11/2105?
response: SELECT COUNT(*) > 0 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 = 30509)) AND inputevents_cv.itemid IN (SELECT d_items.itemid FROM d_items WHERE d_items.label = 'tube feeding' AND d_items.linksto = 'inputevents_cv') AND STRFTIME('%y-%m', inputevents_cv.charttime) <= '2105-11'