Question: What is {follows} and {followed by} {{Communist Party of China} {chairperson} as {Zhao Ziyang}}
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q17427 p:P488 ?s . ?s ps:P488 wd:Q99829 . ?s pq:P155 ?value1 . ?s pq:P156 ?value2 }