Question: When was the single with lyrics by Lady Gaga published?
Choices:
1945-01-01
2013-10-28
1993-12-22
1980-03-07
2007-08-09
2013-07-11
2011-05-06
2004-07-29
2011-05-22
2014-06-15
Program:
function: Find
inputs: Lady Gaga
function: Relate
dependencies: 0
inputs: lyrics by
backward
function: FilterConcept
dependencies: 1
inputs: single
function: QueryAttr
dependencies: 2
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "single" . ?e <lyrics_by> ?e_1 . ?e_1 <pred:name> "Lady Gaga" .  ?e <publication_date> ?pv .  }
Answer: 2013-10-28