What is {position held} of {Anwar el Sadat} that is {start time} is {1970-9-28} ?
On September 28, 1970, what was Anwar el Sadat's position?
What position did Anwar el Sadat hold beginning on September 28th, 1970?
SELECT ?b WHERE { ?i property:start_time ?o . FILTER ( CONTAINS ( YEAR ( ?o ) , '1970' ) ) . resource:Anwar_Sadat property:position_held ?i . ?i property:position_held ?b }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q42013> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P39> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1970-9-28>
} 

SELECT ?obj WHERE { wd:Q42013 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1970')) }