Task: Question Decomposition
Input (English): question: Find the subject ID, subject name, and the corresponding number of available courses for each subject.
Output (English): #1 return subjects 
#2 return subject ID of  #1 
#3 return subject name of  #1 
#4 return available courses for #1 
#5 return number of #4 for each #1 
#6 return #2 ,   #3 , #5