###HUMAN: what is the number of patients whose admission type is elective and procedure long title is laparoscopic lysis of peritoneal adhesions?, ###ASSISTANT: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN procedures ON demographic.hadm_id = procedures.hadm_id WHERE demographic.admission_type = "ELECTIVE" AND procedures.long_title = "Laparoscopic lysis of peritoneal adhesions"