did patient 56490 have the results of the microbiology test of the blood culture in 09/last year?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 56490 ) and microbiologyevents.spec_type_desc = 'blood culture' and datetime(microbiologyevents.charttime,'start of year') = datetime(current_time,'start of year','-1 year') and strftime('%m',microbiologyevents.charttime) = '09'