What is {owned by} of {Houston Chronicle} that is {start time} is {1937-1-1} ?
On 1st January 1937, who owner the Houston Chronicle?
Who owned the Houston Chronicle on the 1st January 1937?
SELECT ?a WHERE { resource:Houston_Chronicle property:owned_by ?h . ?h property:owned_by ?a . ?h property:start_time ?a . FILTER ( CONTAINS ( YEAR ( ?a ) , '1937' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q595564> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P127> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1937-1-1>
} 

SELECT ?obj WHERE { wd:Q595564 p:P127 ?s . ?s ps:P127 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1937')) }