List all female students age is older than 18 who is not majoring in 600. List students' first name and last name.
return female students  ;return ages of  #1 ;return #1 where #2 is  higher than 18 ;return major of  #1 ;return #1 where #4 is  not  600 ;return #1 of  both #3 and  #5 ;return first name  of  #6 ;return last name  of  #6 ;return #7 ,  #8
['select', 'project', 'comparative', 'project', 'comparative', 'intersection', 'project', 'project', 'union']