ฤดูใบไม้ผลินี้มีคลาส CLLING ใด ๆ ที่ถือว่าเป็นระดับบนหรือไม่ ไม่จำเป็นต้องใช้ตารางทั้งหมด
This Spring are there any CLLING classes considered upper-level ?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 course.department, course.name, course.number FROM course, course_offering, program_course, semester WHERE course.course_id = course_offering.course_id AND course.department = 'CLLING' AND program_course.category LIKE '%ULCS%' AND program_course.course_id = course.course_id AND semester.semester = 'Spring' AND semester.semester_id = course_offering.semester AND semester.year = 2016