Question: Tell me the start time that Namibia is a United Nations member.
Choices: 1993-11-03
1529-01-01
1935-01-01
1999-04-01
1990-04-23
2002-03-12
1991-09-08
1992-01-26
1962-10-09
2013-01-31
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Namibia" . ?e_2 <pred:name> "United Nations" . ?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: Namibia
function: Find
inputs: United Nations
function: QueryRelationQualifier
dependencies: 0
1
inputs: member of
start time
Answer: 1990-04-23