have prednisone, metoprolol tartrate, or insulin been prescribed for patient 1462 since 08/2105?
select count(*)>0 from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 1462 ) and prescriptions.drug in ( 'prednisone', 'metoprolol tartrate', 'insulin' ) and strftime('%y-%m',prescriptions.startdate) >= '2105-08'