Question: When did  Israel (the one that is the country of Haifa) become a member of the World Trade Organization?
Choices:
1984-03-22
1995-04-21
1952-09-12
1819-12-14
1996-09-01
1988-09-04
2005-04-19
2009-12-01
1979-10-26
1892-01-09
Program:
function: Find
inputs: Haifa
function: Relate
dependencies: 0
inputs: country
forward
function: Find
inputs: Israel
function: And
dependencies: 1
2
function: Find
inputs: World Trade Organization
function: QueryRelationQualifier
dependencies: 3
4
inputs: member of
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Israel" . ?e_3 <country> ?e_1 . ?e_3 <pred:name> "Haifa" . ?e_2 <pred:name> "World Trade Organization" . ?e_1 <member_of> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <member_of> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Answer: 1995-04-21