Find the first names and offices of all instructors who have taught some course and the course description and the department name.
return instructors ;return #1 who  taught some course  ;return first names of  #2 ;return offices of  #2 ;return courses #2 taught ;return course  descriptions of  #5 ;return departments of  #5 ;return names of  #7 ;return #3 ,  #4 ,   #6 , #8
['select', 'filter', 'project', 'project', 'project', 'project', 'project', 'project', 'union']