ASK WHERE { <http://dbpedia.org/resource/A_Foreign_Policy_of_Freedom> <http://dbpedia.org/property/coverArtist> <http://dbpedia.org/resource/John_Trumbull> }
Was A foreign policy on freedom covered by John Trumbull?
ASK WHERE { resource:A_Foreign_Policy_of_Freedom property:cover_artist resource:John_Trumbull }
Yes
[Yes], John Trumbull is the cover artist of A Foreign Policy on Freedom.
[Yes] John Travolta is the author of the cover of Foreign Policy on Freedom.