until 2103 was patient 18457 prescribed buprenorphine-naloxone (8mg-2mg)?
select count(*)>0 from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 18457 ) and prescriptions.drug = 'buprenorphine-naloxone (8mg-2mg)' and strftime('%y',prescriptions.startdate) <= '2103'