How many {territory overlaps} are for {Rideau Canal} ?
What territory overlaps the Rideau Canal?
SELECT (COUNT(?obj) AS ?value ) { wd:Q651323 wdt:P3179 ?obj }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q651323> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P3179> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

Which territory overlaps the Rideau Canal?