Question: When did the foundation whose legal form is nonprofit organization originate?
Choices:
1682
1890-07-10
2003-06-20
1874-11-21
1950-02-25
1960-06-19
2007-06-30
1701-01-01
1870-07-15
1589
Answer: 2003-06-20
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "foundation" . ?e <legal_form> ?e_1 . ?e_1 <pred:name> "nonprofit organization" .  ?e <inception> ?pv .  }
Program:
function: Find
inputs: nonprofit organization
function: Relate
dependencies: 0
inputs: legal form
backward
function: FilterConcept
dependencies: 1
inputs: foundation
function: QueryAttr
dependencies: 2
inputs: inception