Which staff members are assigned to the problem with id 1? Give me their first and last names.
return staff members ;return problems #1 are  assigned to ;return ids of  #2 ;return #1 where #3 is  1 ;return first names of  #4 ;return last names of  #4 ;return #5 ,  #6
['select', 'project', 'project', 'comparative', 'project', 'project', 'union']