SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Robert_Carr,_1st_Earl_of_Somerset> <http://dbpedia.org/ontology/opponent> ?uri }
Who was the opponent of Robert Carr, 1st Earl of Somerset?
SELECT DISTINCT ?b WHERE { resource:Robert_Carr,_1st_Earl_of_Somerset property:opponent ?b }
Francis Bacon
The opponent of Robert Carr, 1st Earl of Somerset is [Francis Bacon].
Robert Carr's opponent, the 1st Earl of Somerset, is [Francis Bacon].
The opponent of him, 1st Earl of Somerset  is [Francis Bacon].
His opponent, the 1st Earl of Somerset, [Francis Bacon].