instruction: since 09/2104, what was the yearly minimum intake of intake (ml)-ng/og tube nasogastric right nostril of patient 031-4987?
response: SELECT MIN(intakeoutput.cellvaluenumeric) FROM intakeoutput WHERE intakeoutput.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '031-4987')) AND intakeoutput.celllabel = 'intake (ml)-ng/og tube nasogastric right nostril' AND intakeoutput.cellpath LIKE '%intake%' AND STRFTIME('%y-%m', intakeoutput.intakeoutputtime) >= '2104-09' GROUP BY STRFTIME('%y', intakeoutput.intakeoutputtime)