Question: When was the dark wave band with the official website of http://www.depechemode.com/ retrieved?
Choices: 2018-01-25
2019-03-03
2017-07-25
2017-06-24
2017-06-21
2017-08-13
2018-09-02
2018-01-14
2018-07-30
2018-03-07
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "band" . ?e <genre> ?e_1 . ?e_1 <pred:name> "dark wave" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.depechemode.com/" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv ] <retrieved> ?qpv .  }
Program:
function: Find
inputs: dark wave
function: Relate
dependencies: 0
inputs: genre
backward
function: FilterConcept
dependencies: 1
inputs: band
function: QueryAttrQualifier
dependencies: 2
inputs: official website
http://www.depechemode.com/
retrieved
Answer: 2017-06-21