instruction: tell me the name of the procedure that patient 012-31116 was first received?
response: SELECT treatment.treatmentname FROM treatment WHERE treatment.patientunitstayid IN (SELECT patient.patientunitstayid FROM patient WHERE patient.patienthealthsystemstayid IN (SELECT patient.patienthealthsystemstayid FROM patient WHERE patient.uniquepid = '012-31116')) ORDER BY treatment.treatmenttime LIMIT 1