###HUMAN: is there any history of microbiology test results for patient 61751's bile during the last month?, ###ASSISTANT: SELECT COUNT(*) > 0 FROM microbiologyevents WHERE microbiologyevents.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 61751) AND microbiologyevents.spec_type_desc = 'bile' AND DATETIME(microbiologyevents.charttime, 'start of month') = DATETIME(CURRENT_TIME(), 'start of month', '-1 month')