What is {participant of} of {Eddy Merckx} that is {point in time} is {1969-0-0} ?
In 1969, Eddy Merckx rode in what race?
What race did Eddy Merckx ride in in 1969?
SELECT ?e WHERE { resource:Eddy_Merckx property:participant_in ?n . ?n property:participant_in ?e . FILTER ( CONTAINS ( YEAR ( ?v ) , '1969' ) ) . ?n property:point_in_time ?v }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q103756> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1344> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1969-0-0>
} 

SELECT ?obj WHERE { wd:Q103756 p:P1344 ?s . ?s ps:P1344 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1969')) }