instruction: when was the first time patient 005-88011 was prescribed acetaminophen 650 mg re supp with metoprolol tartrate 50 mg po tabs at the same time until 11/2105?
response: SELECT t1.drugstarttime FROM (SELECT patient.uniquepid, medication.drugstarttime FROM medication JOIN patient ON medication.patientunitstayid = patient.patientunitstayid WHERE medication.drugname = 'acetaminophen 650 mg re supp' AND patient.uniquepid = '005-88011' AND STRFTIME('%y-%m', medication.drugstarttime) <= '2105-11') AS t1 JOIN (SELECT patient.uniquepid, medication.drugstarttime FROM medication JOIN patient ON medication.patientunitstayid = patient.patientunitstayid WHERE medication.drugname = 'metoprolol tartrate 50 mg po tabs' AND patient.uniquepid = '005-88011' AND STRFTIME('%y-%m', medication.drugstarttime) <= '2105-11') AS t2 ON t1.uniquepid = t2.uniquepid WHERE DATETIME(t1.drugstarttime) = DATETIME(t2.drugstarttime) ORDER BY t1.drugstarttime LIMIT 1