Question: What is the publication date of the song whose lyrics were written by Stephen Schwartz?
Choices:
1995-05-30
2019
2014-05-25
1981-06-26
1985-05-24
2002-05-05
1996-02-20
2017-08-10
2004-07-26
2016
Answer: 1995-05-30
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "song" . ?e <lyrics_by> ?e_1 . ?e_1 <pred:name> "Stephen Schwartz" .  ?e <publication_date> ?pv .  }
Program:
function: Find
inputs: Stephen Schwartz
function: Relate
dependencies: 0
inputs: lyrics by
backward
function: FilterConcept
dependencies: 1
inputs: song
function: QueryAttr
dependencies: 2
inputs: publication date