Question: Tell the details of who was the chairperson of NHK in the year 2011?
Paraphrase: Give me some information about the 2011 NHK chairperson.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q212128 p:P488 ?s . ?s ps:P488 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2011')) }