SELECT T1.subject_id ,  T2.subject_name ,  COUNT(*) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id  =  T2.subject_id GROUP BY T1.subject_id
What are the subject ID, subject name, and the number of available courses for each subject?
SELECT T1.subject_id , T2.subject_name , COUNT ( * ) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id = T2.subject_id GROUP BY T1.subject_id
select t1 . subject_id , t2 . subject_name , count ( * ) from courses as t1 join subjects as t2 on t1 . subject_id = t2 . subject_id group by t1 . subject_id
What are the subject ID , subject name , and the number of available courses for each subject ?