List the first and last names of all distinct staff members who are assigned to the problem whose id is 1.
return staff members ;return problems #1 are  assigned to  ;return ids of  #2 ;return #1 where  #3 is 1 ;return distinct #4 ;return first names of  #5 ;return last names of  #5 ;return #6 ,  #7
['select', 'project', 'project', 'comparative', 'project', 'project', 'project', 'union']