Question: What is the publication date of the visual artwork whose official website is http://www.darwindoc.com?
Choices:
2001-06-11
2011-01-01
1951-01-01
1990-10-06
1998-09-22
1987-03-27
2008-09-19
2008-11-23
1984-10-24
1978-11-05
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.darwindoc.com
function: FilterConcept
dependencies: 1
inputs: visual artwork
function: QueryAttr
dependencies: 2
inputs: publication date
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "visual artwork" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.darwindoc.com" . ?e <publication_date> ?pv .  }
Answer: 2011-01-01