when did patient 11688 get its last urine microbiology test in 11/last year?
select microbiologyevents.charttime from microbiologyevents where microbiologyevents.hadm_id in ( select admissions.hadm_id from admissions where admissions.subject_id = 11688 ) and microbiologyevents.spec_type_desc = 'urine' and datetime(microbiologyevents.charttime,'start of year') = datetime(current_time,'start of year','-1 year') and strftime('%m',microbiologyevents.charttime) = '11' order by microbiologyevents.charttime desc limit 1