Question: Starting when did Rotterdam (the one that is the formation location of Sparta Rotterdam) become the twinned administrative body of Shanghai (the one that is the twinned administrative body of KwaZulu-Natal)?
Choices:
2017-01-30
1970-10-28
1792
1775
1986-04-25
1997-09-08
2002-01-10
2007-07-03
1978-01-01
-315
Answer: 1978-01-01
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Rotterdam" . ?e_3 <location_of_formation> ?e_1 . ?e_3 <pred:name> "Sparta Rotterdam" . ?e_2 <pred:name> "Shanghai" . ?e_4 <twinned_administrative_body> ?e_2 . ?e_4 <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: Sparta Rotterdam
function: Relate
dependencies: 0
inputs: location of formation
forward
function: Find
inputs: Rotterdam
function: And
dependencies: 1
2
function: Find
inputs: KwaZulu-Natal
function: Relate
dependencies: 4
inputs: twinned administrative body
forward
function: Find
inputs: Shanghai
function: And
dependencies: 5
6
function: QueryRelationQualifier
dependencies: 3
7
inputs: twinned administrative body
start time