What is {award received} of {Dietrich Fischer-Dieskau} that is {point in time} is {1988-1-1} ?
What grant did Dietrich Fischer-Dieskau get on January 1, 1988?
What award did Dietrich Fischer-Dieskau receive on January 1, 1988?
SELECT ?t WHERE { resource:Dietrich_Fischer-Dieskau property:award_received ?w . FILTER ( CONTAINS ( YEAR ( ?n ) , '1988' ) ) . ?w property:award_received ?t . ?w property:point_in_time ?n }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q77060> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P166> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1988-1-1>
} 

SELECT ?obj WHERE { wd:Q77060 p:P166 ?s . ?s ps:P166 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1988')) }