###HUMAN: how many hours have elapsed since the last time patient 005-87465 had an intake of norepinephrine on the current icu visit?, ###ASSISTANT: SELECT 24 * (STRFTIME('%j', CURRENT_TIME()) - STRFTIME('%j', 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 = '005-87465') AND patient.unitdischargetime IS NULL) AND intakeoutput.celllabel = 'norepinephrine' AND intakeoutput.cellpath LIKE '%intake%' ORDER BY intakeoutput.intakeoutputtime DESC LIMIT 1