instruction: Is THEORY 590 needed for THEORY 438 ?
response: SELECT COUNT(*) > 0 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 = 'THEORY' AND COURSE_0.number = 590 AND COURSE_1.course_id = course_prerequisite.course_id AND COURSE_1.department = 'THEORY' AND COURSE_1.number = 438