patient 92788 had been prescribed heparin sodium, pentobarbital sodium or lisinopril since 6 months ago?
select count(*)>0 from prescriptions where prescriptions.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 92788 ) and prescriptions.drug in ( 'heparin sodium', 'pentobarbital sodium', 'lisinopril' ) and datetime(prescriptions.startdate) >= datetime(current_time,'-6 month')