instruction: how many times has patient 31141 received sm bowel endoscopy nec since 2104?
response: SELECT COUNT(*) FROM procedures_icd WHERE procedures_icd.icd9_code = (SELECT d_icd_procedures.icd9_code FROM d_icd_procedures WHERE d_icd_procedures.short_title = 'sm bowel endoscopy nec') AND procedures_icd.hadm_id IN (SELECT admissions.hadm_id FROM admissions WHERE admissions.subject_id = 31141) AND STRFTIME('%y', procedures_icd.charttime) >= '2104'