instruction: how many patients whose diagnoses long title is diabetes mellitus without mention of complication, type ii or unspecified type, not stated as uncontrolled and drug route is oral?
response: SELECT COUNT(DISTINCT demographic.subject_id) FROM demographic INNER JOIN diagnoses ON demographic.hadm_id = diagnoses.hadm_id INNER JOIN prescriptions ON demographic.hadm_id = prescriptions.hadm_id WHERE diagnoses.long_title = "Diabetes mellitus without mention of complication, type II or unspecified type, not stated as uncontrolled" AND prescriptions.route = "ORAL"