instruction: how many times does patient 011-55939 make chest tube in 06/last year?
response: SELECT COUNT(*) FROM intakeoutput WHERE intakeoutput.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '011-55939')) AND intakeoutput.cellpath LIKE '%output%' AND intakeoutput.celllabel = 'chest tube' AND DATETIME(intakeoutput.intakeoutputtime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-1 year') AND STRFTIME('%m', intakeoutput.intakeoutputtime) = '06'