Question: What is the publication date of the written work whose OCLC control number is 248628819?
Choices: 2013-10-17
1996-04-10
2001
1995-05-18
2010-05-18
2009-06-04
2009-07-23
1993-12-10
1985-04-10
1999-05-21
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "written work" . ?e <OCLC_control_number> ?pv_1 . ?pv_1 <pred:value> "248628819" . ?e <publication_date> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: OCLC control number
248628819
function: FilterConcept
dependencies: 1
inputs: written work
function: QueryAttr
dependencies: 2
inputs: publication date
Answer: 2001