instruction: what number of patients having expired in or before the year 2180 underwent the procedure for local excision of lesion or tissue of bone, scapula, clavicle, and thorax [ribs and sternum]?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN procedures ON demographic.hadm_id = procedures.hadm_id WHERE demographic.dod_year <= "2180.0" AND procedures.long_title = "Local excision of lesion or tissue of bone, scapula, clavicle, and thorax [ribs and sternum]"