What is {member of sports team} of {Didi} that is {start time} is {1957-1-1} ?
In 1957, Didi was a member of which sports team?
What sports team was Didi a part of in 1957?
SELECT ?h WHERE { resource:Didi property:member_of_sports_team ?t . ?t property:start_time ?p . ?t property:member_of_sports_team ?h . FILTER ( CONTAINS ( YEAR ( ?p ) , '1957' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q312486> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P54> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1957-1-1>
} 

SELECT ?obj WHERE { wd:Q312486 p:P54 ?s . ?s ps:P54 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1957')) }