did patient 21110 have any organisms found in the last urine microbiology test since 4 years ago?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 21110 ) and microbiologyevents.spec_type_desc = 'urine' and microbiologyevents.org_name is not null and datetime(microbiologyevents.charttime) >= datetime(current_time,'-4 year') order by microbiologyevents.charttime desc limit 1