What is the {aspect of history} for {followed by} of {apartheid}
What period followed apartheid in South Africa?
What era followed apartheid?
SELECT DISTINCT ?g WHERE { ?g property:followed_by resource:apartheid . ?g rdf:type ontology:aspect_of_history }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P156> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q11409> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q17524420> } 
 select distinct ?sbj where { ?sbj wdt:P156 wd:Q11409 . ?sbj wdt:P31 wd:Q17524420 } 
history of South Africa