What is {number of out of school children} of {is the antonym of} of {developed country} ?
What number of children out of school is the developed country's antonym?
What is number of out of school children  is the antonym  of developed country ?
SELECT ?i WHERE { ?o property:number_of_out-of-school_children ?i . resource:developed_country property:opposite_of ?o }
SELECT ?answer WHERE { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q132453> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P461>. ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?X . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?X. ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2573> . ?statement2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer . }
SELECT ?answer WHERE { wd:Q132453 wdt:P461 ?X . ?X wdt:P2573 ?answer}
258000000