What are the different grant amounts for documents sent before '1986-08-26 20:49:27' and after the grant ended on '1989-03-16 18:27:16'?
return documents ;return #1 sent before '1986-08-26 20:49:27 ;return #1 sent after '1989-03-16 18:27:16 ;return grant amounts of #2 ;return grant amounts of #3 ;return #4 ,  #5
['select', 'filter', 'filter', 'project', 'project', 'union']