Question: Who is the artist of Sings Kristofferson and also performed Milk Cow Blues atleast once?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { res:Sings_Kristofferson prop:artist ?uri. res:Milk_Cow_Blues onto:artist ?uri . }