EEB 800 จำหน่ายในช่วงระยะเวลาใด ?ไม่จำเป็นต้องใช้ทุกโต๊ะ
What period of time has EEB 800 been available ?It is not neccessary to use all the tables.
 student_record:  student_id [ int]  course_id [ int]  semester [ int]  grade [ varchar]  how [ varchar]  transfer_source [ varchar]  earn_credit [ varchar]  repeat_term [ varchar]  test_id [ varchar] 
SELECT DISTINCT semester.year FROM course, course_offering, semester WHERE course.course_id = course_offering.course_id AND course.department = 'EEB' AND course.number = 800 AND semester.semester_id = course_offering.semester ORDER BY semester.year LIMIT 1