SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/SR_class_3Sub> <http://dbpedia.org/ontology/operator> ?uri }
What is the operator of SR class 3Sub ?
SELECT DISTINCT ?c WHERE { resource:S_R_class_3_Sub property:operator ?c }
London, Southern Railway (UK)
The operators of SR class 3Sub are [London, Southern Railway (UK)].
SR Class 3Sub operators are [London, Southern Railway (UK)].