in 12/2105, was any organism found in patient 99647's first blood culture - neonate test?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 99647 ) and microbiologyevents.spec_type_desc = 'blood culture - neonate' and microbiologyevents.org_name is not null and strftime('%y-%m',microbiologyevents.charttime) = '2105-12' order by microbiologyevents.charttime asc limit 1