What is the {fort} for {significant event} of {Lewis and Clark Expedition}
Which fortress was most striking for the Lewis and Clark Expedition?
Which fort was most notable for the Lewis and Clark Expedition?
SELECT DISTINCT ?e WHERE { ?e rdf:type ontology:fort . ?e property:significant_event resource:The_Lewis_and_Clark_Expedition }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P793> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q505802> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q1785071> } 
 select distinct ?sbj where { ?sbj wdt:P793 wd:Q505802 . ?sbj wdt:P31 wd:Q1785071 } 
Fort Belle Fontaine