Question: What is the release date of the version, edition or translation whose edition number is 21?
Choices: 2012-03-09
2013-06-10
1981
1998-11-26
2012-01-13
2015-03-19
1999-07-09
1952-06-06
1891
1975-03-06
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "version, edition, or translation" . ?e <edition_number> ?pv_1 . ?pv_1 <pred:value> "21" . ?e <publication_date> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: edition number
21
function: FilterConcept
dependencies: 1
inputs: version, edition, or translation
function: QueryAttr
dependencies: 2
inputs: publication date
Answer: 1891