what is the {sourcing circumstances} for {Irene of Athens} has {date of birth} as {752-1-1} ?
What is the sourcing conditions when Irene of Athens was conceived in 752?
What is the sourcing circumstances when Irene of Athens was born in 752?
SELECT ?b WHERE { FILTER ( CONTAINS ( ?k , '752-1-1' ) ) . ?o property:sourcing_circumstances ?b . ?o property:date_of_birth ?k . resource:Irene_of_Athens property:date_of_birth ?o }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q206737> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P569> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <752-1-1> .
?statement <http://www.wikidata.org/entity/P1480> ?value. 
} 

SELECT ?value WHERE { wd:Q206737 p:P569 ?s . ?s ps:P569 ?x filter(contains(?x , '752-1-1')) . ?s pq:P1480 ?value}