instruction: how many patients are diagnosed with primary disease neoplasm of uncertain behaviour of other lymphatic and hematopoietic tissues/bone marrow transplant with drug route sl?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN prescriptions ON demographic.hadm_id = prescriptions.hadm_id WHERE demographic.diagnosis = "NEOPLASM OF UNCERTAIN BEHAVIOR OF OTHER LYMPHATIC AND HEMATOPOIETIC TISSUES\BONE MARROW TRANSPLANT" AND prescriptions.route = "SL"