What is {academic degree} of {Ludwig Boltzmann} that is {point in time} is {1866-0-0} ?
in 1866 what degree did Ludwig Boltzmann obtain?
What is { academic degree } of { Ludwig Boltzmann } that is { point in time } is { 1866.0 }?
SELECT ?j WHERE { resource:Ludwig_Boltzmann property:academic_degree ?f . ?f property:point_in_time ?m . FILTER ( CONTAINS ( YEAR ( ?m ) , '1866' ) ) . ?f property:academic_degree ?j }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q84296> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P512> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1866-0-0>
} 

SELECT ?obj WHERE { wd:Q84296 p:P512 ?s . ?s ps:P512 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1866')) }