british columbia highway 19 includes which roads in its highway system?
Entity
m.0g6ht6
Island Highway
class entity
transportation.road m.01_dcp
transportation.road transportation.highway_system
Road British Columbia Highway 19
none none
transportation.road.highway_system
Highway system
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX : <http://rdf.freebase.com/ns/> 
SELECT (?x0 AS ?value) WHERE {
SELECT DISTINCT ?x0  WHERE { 
?x0 :type.object.type :transportation.road . 
VALUES ?x1 { :m.01_dcp } 
?x0 :transportation.road.highway_system ?x1 . 
FILTER ( ?x0 != ?x1  )
}
}
(AND transportation.road (JOIN transportation.road.highway_system m.01_dcp))