What is {chairperson} of {Communist Party of China} and {followed by}
When did the chairman of the Communist Party of China leave and who succeeded them?
When did chairperson of Communist Party of China and followed by?
SELECT ?w ?m WHERE { ?s property:chairperson ?m . ?s property:followed_by ?w . . resource:Communist_Party_of_China property:chairperson ?s }
select distinct ?dataprop1 ?obj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q17427> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P488> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj . ?statement <http://www.wikidata.org/entity/P580> ?dataprop1 . } 
SELECT ?value1 ?obj WHERE { wd:Q17427 p:P488 ?s . ?s ps:P488 ?obj . ?s pq:P156 ?value1 . }