What is <connecting line> of <Stockholm metro> ?
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Which is the connecting line of Stockholm metro?
SELECT DISTINCT ?v WHERE { ?v property:connecting_line resource:Stockholm_metro }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P81> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q272926>. }
select distinct ?answer where { ?answer wdt:P81 wd:Q272926}