what is the {start time} for {Bank of America} has {subsidiary} as {Seafirst Bank} ?
On what date did Bank of America launch the subsidiary Seafirst Bank?
When did Bank of America start the subsidiary Seafirst Bank?
SELECT ?j WHERE { resource:Bank_of_America property:subsidiary ?j . ?j property:subsidiary resource:Seafirst_Bank . ?j property:start_time ?j }
select distinct ?value  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q487907> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P355> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7440350> .
?statement <http://www.wikidata.org/entity/P580> ?value. 
} 

SELECT ?value WHERE { wd:Q487907 p:P355 ?s . ?s ps:P355 wd:Q7440350 . ?s pq:P580 ?value}