Question: When was the film titled Die lustige Witwe published?
Choices:
1999-02-01
1957-10-04
1999-03-04
2007-06-29
1999-12-23
1983-03-31
2008-03-13
2005-07-20
1962-01-01
2001-06-22
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: title
Die lustige Witwe
function: FilterConcept
dependencies: 1
inputs: film
function: QueryAttr
dependencies: 2
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <title> ?pv_1 . ?pv_1 <pred:value> "Die lustige Witwe" . ?e <publication_date> ?pv .  }
Answer: 1962-01-01