did patient 17237 have any microbiological test result in 05/last year?
select count(*)>0 from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 17237 ) and datetime(microbiologyevents.charttime,'start of year') = datetime(current_time,'start of year','-1 year') and strftime('%m',microbiologyevents.charttime) = '05'