What is {award received} of {Frei Otto} that is {point in time} is {1997-0-0} ?
What award did Frei Otta receive in 1997?
Which award was received by Frei Otta in the year 1997.
SELECT ?h WHERE { resource:Frei_Otto property:award_received ?g . ?g property:point_in_time ?n . ?g property:award_received ?h . FILTER ( CONTAINS ( YEAR ( ?n ) , '1997' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q64412> .
?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> <1997-0-0>
} 

SELECT ?obj WHERE { wd:Q64412 p:P166 ?s . ?s ps:P166 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1997')) }