instruction: tell me the name of the medication patient 63368 was last prescribed via po/ng route in 02/2104?
response: SELECT prescriptions.drug FROM prescriptions WHERE prescriptions.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 63368) AND prescriptions.route = 'po/ng' AND STRFTIME('%y-%m', prescriptions.startdate) = '2104-02' ORDER BY prescriptions.startdate DESC LIMIT 1