which country shares borders with the democratic republic of the congo republic of the congo and cameroon?
return countries ;return the  democratic republic of the   congo ;return republic of the  congo ;return cameroon ;return #1 that border #2 ;return #1 that border #3 ;return #1 that border #4 ;return #1 in  both  #5 and #6 ;return #1 in  both  #8 and #7
['select', 'select', 'select', 'select', 'filter', 'filter', 'filter', 'intersection', 'intersection']