เวลาออกสายสวนปัสสาวะครั้งสุดท้ายของผู้ป่วย 031-21970 ในวันที่ 26/09/ปีนี้คือเท่าไร?ไม่จำเป็นต้องใช้ตารางทั้งหมด
what was the last urine catheter output time for patient 031-21970 on 09/26/this year?It is not neccessary to use all the tables.
 lab:  labid [ number]  patientunitstayid [ number]  labname [ text]  labresult [ number]  labresulttime [ time] 
SELECT intakeoutput.intakeoutputtime FROM intakeoutput WHERE intakeoutput.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '031-21970')) AND intakeoutput.cellpath LIKE '%output%' AND intakeoutput.celllabel = 'urine catheter' AND DATETIME(intakeoutput.intakeoutputtime, 'start of year') = DATETIME(CURRENT_TIME(), 'start of year', '-0 year') AND STRFTIME('%m-%d', intakeoutput.intakeoutputtime) = '09-26' ORDER BY intakeoutput.intakeoutputtime DESC LIMIT 1