instruction: Was SAC 375 taught by Yan-chun Tung ?
response: SELECT COUNT(*) > 0 FROM course, course_offering, instructor, offering_instructor WHERE course.course_id = course_offering.course_id AND course.department = 'SAC' AND course.number = 375 AND instructor.name LIKE '%Yan-chun Tung%' AND offering_instructor.instructor_id = instructor.instructor_id AND offering_instructor.offering_id = course_offering.offering_id