What is {number of out of school children} of {Pakistan} that is {determination method} is {national estimation} ?
How many children are not in school in Pakistan?
What is the number of out of school children nationally in Pakistan?
SELECT ?m WHERE { ?f property:determination_method resource:national_estimation . ?f property:number_of_out-of-school_children ?m . resource:Pakistan property:number_of_out-of-school_children ?f }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q843> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2573> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P459> <http://wikidata.dbpedia.org/resource/Q47005769>
} 

SELECT ?obj WHERE { wd:Q843 p:P2573 ?s . ?s ps:P2573 ?obj . ?s pq:P459 wd:Q47005769 }