Return the descriptions and names of the courses that have more than two students enrolled in.
return courses ;return students enrolled in #1 ;return number of  #2 for each  #1 ;return #1 where  #3 is higher than two ;return descriptions of  #4 ;return names of  #4 ;return #5 ,  #6
['select', 'project', 'group', 'comparative', 'project', 'project', 'union']