What is {member of sports team} of {Serge Blanco} that is {start time} is {1984-1-1} ?
What group did Serge Blanko form in 1984?
Which team did Serge Blanco start on in 1/1/1984?
SELECT ?k WHERE { ?o property:start_time ?y . ?o property:member_of_sports_team ?k . FILTER ( CONTAINS ( YEAR ( ?y ) , '1984' ) ) . resource:Serge_Blanco property:member_of_sports_team ?o }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1322456> .
?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> <1984-1-1>
} 

SELECT ?obj WHERE { wd:Q1322456 p:P54 ?s . ?s ps:P54 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1984')) }