Question: What is the publication date for "Venus", which has lyrics written by Lady Gaga?
Choices:
1964-04-13
2004-11-16
2013-10-28
1998-06-25
1989-11-22
2001-03-29
2007-08-01
2014-01-14
1992-09-04
2004-09-27
Program:
function: Find
inputs: Lady Gaga
function: Relate
dependencies: 0
inputs: lyrics by
backward
function: Find
inputs: Venus
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Venus" . ?e <lyrics_by> ?e_1 . ?e_1 <pred:name> "Lady Gaga" .  ?e <publication_date> ?pv .  }
Answer: 2013-10-28