Question: When did Greece start being a member of the Organisation for Economic Co-operation and Development?
Choices: 1707-07-01
1929
1889
1929-02-11
1961-09-30
1972-12-21
1871-08-03
1948-05-14
2011-05-01
1971-01-12
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Greece" . ?e_2 <pred:name> "Organisation for Economic Co-operation and Development" . ?e_1 <member_of> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Greece
function: Find
inputs: Organisation for Economic Co-operation and Development
function: QueryRelationQualifier
dependencies: 0
1
inputs: member of
start time
Answer: 1961-09-30