Question: What is the publication date for the single written by Adam Levine?
Choices: 2002-12-10
1960-07-11
1996-11-22
1940-04-26
1997-09-07
1980-05-21
2007-11-29
2012
2002-03-14
2010-08-19
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "single" . ?e <lyrics_by> ?e_1 . ?e_1 <pred:name> "Adam Levine" .  ?e <publication_date> ?pv .  }
Program:
function: Find
inputs: Adam Levine
function: Relate
dependencies: 0
inputs: lyrics by
backward
function: FilterConcept
dependencies: 1
inputs: single
function: QueryAttr
dependencies: 2
inputs: publication date
Answer: 2012