what is the {start time} for {PayPal} has {parent organization} as {eBay} ?
When did eBay become the parent organization for PayPal?
When did eBay take over as the parent organization for PayPal?
SELECT ?d WHERE { ?s property:parent_organization resource:eBay . ?s property:start_time ?d . resource:PayPal property:parent_organization ?s }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q483959> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P749> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q58024> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q483959 p:P749 ?s . ?s ps:P749 wd:Q58024 . ?s pq:P580 ?value}