Table for the 6 triples with object "12" on predicate ns10:alt sorted by label

Subject	Predicate
?:Apeldoorn	ns10:altitude
?:Binnenstad	ns10:altitude
?:De Haven	ns10:altitude
?:Matenhoek	ns10:altitude
?:Staatsliedenkwartier	ns10:altitude
?:Station Apeldoorn	ns10:altitude