What is {professorship} of {Isaac Newton} that is {start time} is {1669-0-0} ?
Did Isaac Newton become professor in 1669?
was Isaac newton given professorship in 1669-0-0?
SELECT ?d WHERE { FILTER ( CONTAINS ( YEAR ( ?j ) , '1669' ) ) . ?f property:start_time ?j . resource:Isaac_Newton property:professorship ?f . ?f property:professorship ?d }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q935> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P803> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1669-0-0>
} 

SELECT ?obj WHERE { wd:Q935 p:P803 ?s . ?s ps:P803 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1669')) }