what is the {elevation above sea level} for {Prince Edward Island} has {highest point} as {Hunter River} ?
Along the Hunter River in PEI, what is the elevation of the highest point?
What is the elevation of the highest point along the Hunter River in Prince Edward Island?
SELECT ?d WHERE { ?t property:elevation_above_sea_level ?d . resource:Prince_Edward_Island property:highest_point ?t . ?t property:highest_point resource:Hunter_River }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1979> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P610> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q3143359> .
?statement <http://www.wikidata.org/entity/P2044> ?value. 
} 

SELECT ?value WHERE { wd:Q1979 p:P610 ?s . ?s ps:P610 wd:Q3143359 . ?s pq:P2044 ?value}