What is the name of the department and office location for the professor with the last name of Heffington?
return professors ;return last names of #1 ;return #1 where #2 is  Heffington ;return department of #3 ;return name  of #4 ;return office location of #3 ;return #5 , #6
['select', 'project', 'comparative', 'project', 'project', 'project', 'union']