What is {parent organization} of {Bayer AG} that is {start time} is {1925-0-0} ?
NI IDEA
What was the parent organization of Bayer AG starting in 1925?
SELECT ?t WHERE { ?t property:start_time ?d . resource:Bayer property:parent_organization ?t . ?t property:parent_organization ?t . FILTER ( CONTAINS ( YEAR ( ?d ) , '1925' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q152051> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P749> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1925-0-0>
} 

SELECT ?obj WHERE { wd:Q152051 p:P749 ?s . ?s ps:P749 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1925')) }