Question: When did Baghdad become the twinned administrative body of Amman?
Choices: 1949-04-04
1997-10-08
1918-11-28
1875
2001-08-16
1950
1998-08-31
1787-12-12
1989-01-01
1837-01-26
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Baghdad" . ?e_2 <pred:name> "Amman" . ?e_1 <twinned_administrative_body> ?e_2 . [ <pred:fact_h> ?e_1 ; <pred:fact_r> <twinned_administrative_body> ; <pred:fact_t> ?e_2 ] <start_time> ?qpv .  }
Program:
function: Find
inputs: Baghdad
function: Find
inputs: Amman
function: QueryRelationQualifier
dependencies: 0
1
inputs: twinned administrative body
start time
Answer: 1989-01-01