Question: What is the publication date of Quadrophenia (the one whose genre is rock music) ?
Choices:
1990-12-21
2007-08-23
1988-02-26
2016-03-10
1973-10-19
2015-10-08
2010-10-12
1983-08-26
2003-12-04
1979-01-25
Program:
function: Find
inputs: rock music
function: Relate
dependencies: 0
inputs: genre
backward
function: Find
inputs: Quadrophenia
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Quadrophenia" . ?e <genre> ?e_1 . ?e_1 <pred:name> "rock music" .  ?e <publication_date> ?pv .  }
Answer: 1973-10-19