What is <subject has role> of <emergency management> ?
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What is the job of emergency management?
SELECT DISTINCT ?e WHERE { ?e property:subject_has_role resource:emergency_management }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject>  ?answer. ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2868> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1460420>. }
select distinct ?answer where { ?answer wdt:P2868 wd:Q1460420}
infantry