Question: What political party did Chen Shui-bian belong to in 1987-02-28?
Paraphrase: Tell me the political party Chen Shui-bian belonged to in 1987-02-28?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q22368 p:P102 ?s . ?s ps:P102 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1987')) }