Question: When did the Shanghai that's twinned to Colombo become the twin administrative body of KwaZulu-Natal?
Choices: 2001-01-01
1392
1972-04-18
1990-04-24
1791
1997-06-06
2012-02-24
2015-01-01
1996-06-24
1995-11-28
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Shanghai" . ?e_1 <twinned_administrative_body> ?e_3 . ?e_3 <pred:name> "Colombo" . ?e_2 <pred:name> "KwaZulu-Natal" . ?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: Colombo
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Shanghai
function: And
dependencies: 1
2
function: Find
inputs: KwaZulu-Natal
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
Answer: 2001-01-01