what is the {publication date} for {Carl Linnaeus} has {notable work} as {Genera Plantarum} ?
Genera Plantarum, an excellent work by Carl Linnaeus, was published when?
What is the publication date for Carl Linnaeus's notable work Genera Plantarum?
SELECT ?r WHERE { ?w property:publication_date ?r . ?w property:notable_work resource:Genera_Plantarum . resource:Carl_Linnaeus property:notable_work ?w }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q1043> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P800> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q1501516> .
?statement <http://www.wikidata.org/entity/P577> ?value. 
} 

SELECT ?value WHERE { wd:Q1043 p:P800 ?s . ?s ps:P800 wd:Q1501516 . ?s pq:P577 ?value}