Question: What is the start date that Maryland (that contains Prince George's County) is the twinned administrative body of Kanagawa Prefecture?
Choices: 2009-03-17
2017-06-17
1981-04-23
2006-02-06
1852
1920-08-11
2008-09-20
1943-08-23
1885-01-01
1990-08-14
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Maryland" . ?e_3 <located_in_the_administrative_territorial_entity> ?e_1 . ?e_3 <pred:name> "Prince George's County" . ?e_2 <pred:name> "Kanagawa Prefecture" . ?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: Prince George's County
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
forward
function: Find
inputs: Maryland
function: And
dependencies: 1
2
function: Find
inputs: Kanagawa Prefecture
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
Answer: 1981-04-23