when did patient 22245 come into the hospital for the last time since 2105 via the transfer from hosp/extram?
select admissions.admittime from admissions where admissions.subject_id = 22245 and admissions.admission_location = 'transfer from hosp/extram' and strftime('%y',admissions.admittime) >= '2105' order by admissions.admittime desc limit 1