What is {member of} of {International Association of Athletics Federations} that is {start time} is {1912-1-1} ?
Members of I.A.A.F in 1912?
Who belonged to the International Association of Athletics Federations in 1912?
SELECT ?j WHERE { FILTER ( CONTAINS ( YEAR ( ?l ) , '1912' ) ) . resource:World_Athletics property:member_of ?g . ?g property:start_time ?l . ?g property:member_of ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1158> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P463> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P580> <1912-1-1>
} 

SELECT ?obj WHERE { wd:Q1158 p:P463 ?s . ?s ps:P463 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1912')) }