Find the start and end dates of behavior incidents of students with last name "Fahey".
return students ;return last names of  #1 ;return #1 where  #2 is  Fahey ;return behavior incidents of  #3 ;return start dates of  #4 ;return end dates of  #4 ;return #5 ,   #6
['select', 'project', 'comparative', 'project', 'project', 'project', 'union']