What is {chairperson} of {NHK} that is {start time} is {2011-1-25} ?
Give me some information about the 2011 NHK chairperson.
Tell the details of who was the chairperson of NHK in the year 2011?
SELECT ?c WHERE { ?j property:chairperson ?c . FILTER ( CONTAINS ( YEAR ( ?a ) , '2011' ) ) . ?j property:start_time ?a . resource:NHK property:chairperson ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q212128> .
?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> <2011-1-25>
} 

SELECT ?obj WHERE { wd:Q212128 p:P488 ?s . ?s ps:P488 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'2011')) }