Question: When was the release of the studio album that records on the Vertigo Records label?
Choices:
2009-12-23
1959-11-18
1963-06-12
1917-01-01
1966-04-26
2000-01-14
2009-02-05
2008-10-05
1991-08-12
2002-12-25
Program:
function: Find
inputs: Vertigo Records
function: Relate
dependencies: 0
inputs: record label
backward
function: FilterConcept
dependencies: 1
inputs: studio album
function: QueryAttr
dependencies: 2
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "studio album" . ?e <record_label> ?e_1 . ?e_1 <pred:name> "Vertigo Records" .  ?e <publication_date> ?pv .  }
Answer: 1991-08-12