ตั้งชื่อศาสตราจารย์หรืออาจารย์ที่สอน CICS 301 ?ไม่จำเป็นต้องใช้ตารางทั้งหมด
Name the professor or teacher teaching CICS 301 ?It is not neccessary to use all the tables.
 course:  course_id [ int]  name [ varchar]  department [ varchar]  number [ varchar]  credits [ varchar]  advisory_requirement [ varchar]  enforced_requirement [ varchar]  description [ varchar]  num_semesters [ int]  num_enrolled [ int]  has_discussion [ varchar]  has_lab [ varchar]  has_projects [ varchar]  has_exams [ varchar]  num_reviews [ int]  clarity_score [ int]  easiness_score [ int]  helpfulness_score [ int] 
SELECT DISTINCT instructor.name FROM course, course_offering, instructor, offering_instructor WHERE course.course_id = course_offering.course_id AND course.department = 'CICS' AND course.number = 301 AND offering_instructor.instructor_id = instructor.instructor_id AND offering_instructor.offering_id = course_offering.offering_id