Question: When did the foundation of a literary award, whose official website is  http://www.theguardian.com/books/guardianchildrensfictionprize, take place ?
Choices:
1967
1911-01-05
1571-06-27
1792-06-01
1912-09-01
1392-08-05
1874-01-01
1944-09-23
1711
1972-01-01
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.theguardian.com/books/guardianchildrensfictionprize
function: FilterConcept
dependencies: 1
inputs: literary award
function: QueryAttr
dependencies: 2
inputs: inception
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "literary award" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.theguardian.com/books/guardianchildrensfictionprize" . ?e <inception> ?pv .  }
Answer: 1967