what was the organism name found since 69 months ago in patient 26612's first urine microbiology test?
select microbiologyevents.org_name from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 26612 ) and microbiologyevents.spec_type_desc = 'urine' and microbiologyevents.org_name is not null and datetime(microbiologyevents.charttime) >= datetime(current_time,'-69 month') order by microbiologyevents.charttime asc limit 1