What is the {human} for {composer} of {The Star-Spangled Banner}
Which composer wrote the Star-Spangled Banner?
Who composed the Star-Spangled Banner ?
SELECT DISTINCT ?u WHERE { resource:The_Star-Spangled_Banner property:composer ?u . ?u rdf:type ontology:human }
select distinct ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q44696> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P86> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?obj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q5> } 
 select distinct ?obj where { wd:Q44696 wdt:P86 ?obj . ?obj wdt:P31 wd:Q5 } 
John Stafford Smith