Question: When did  Florence (the one that is the twinned administrative body of Nanjing) become a twinned administrative body of Edinburgh?
Choices:
1949-11-29
2008-08-16
1840
2009-01-07
1980-07-19
2000-12-22
1828
1964-01-01
1896
1888-01-01
Program:
function: Find
inputs: Nanjing
function: Relate
dependencies: 0
inputs: twinned administrative body
forward
function: Find
inputs: Florence
function: And
dependencies: 1
2
function: Find
inputs: Edinburgh
function: QueryRelationQualifier
dependencies: 3
4
inputs: twinned administrative body
start time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e_1 <pred:name> "Florence" . ?e_3 <twinned_administrative_body> ?e_1 . ?e_3 <pred:name> "Nanjing" . ?e_2 <pred:name> "Edinburgh" . ?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 .  }
Answer: 1964-01-01