what is the name of the specimen test that patient 40833 received in 10/last year for the last time?
select microbiologyevents.spec_type_desc from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 40833 ) and datetime(microbiologyevents.charttime,'start of year') = datetime(current_time,'start of year','-1 year') and strftime('%m',microbiologyevents.charttime) = '10' order by microbiologyevents.charttime desc limit 1