what is the {sourcing circumstances} for {Al-Kindi} has {date of birth} as {801-1-1} ?
How was sourcing for Al-Kindi in 801 AD?
In Jan. 1st, 801 AD, what is the sourcing circumstance for Al-Kindi?
SELECT ?t WHERE { resource:Al-Kindi property:date_of_birth ?f . ?f property:date_of_birth ?w . FILTER ( CONTAINS ( ?w , '801-1-1' ) ) . ?f property:sourcing_circumstances ?t }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q179759> .
?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> <801-1-1> .
?statement <http://www.wikidata.org/entity/P1480> ?value. 
} 

SELECT ?value WHERE { wd:Q179759 p:P569 ?s . ?s ps:P569 ?x filter(contains(?x , '801-1-1')) . ?s pq:P1480 ?value}