instruction: STATS 408 is mandatory for anything ?
response: SELECT DISTINCT COURSE_1.department, COURSE_1.name, COURSE_1.number FROM course AS COURSE_0, course AS COURSE_1, course_prerequisite WHERE COURSE_0.course_id = course_prerequisite.pre_course_id AND COURSE_0.department = 'STATS' AND COURSE_0.number = 408 AND COURSE_1.course_id = course_prerequisite.course_id