Question: Since when is NUTS code of an Italian region, that is the twinned administrative body of  Philadelphia (the one that is the twinned administrative body of Frankfurt), IT71 ?
Choices:
1901
2003-01-01
2003-06-30
1925-01-01
1971-12-16
1748-10-18
1977-01-30
1924-01-01
1976-07-29
1998-01-01
Program:
function: Find
inputs: Frankfurt
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: Find
inputs: Philadelphia
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: twinned administrative body
forward
function: FilterConcept
dependencies: 4
inputs: region of Italy
function: QueryAttrQualifier
dependencies: 5
inputs: NUTS code
IT71
end time
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "region of Italy" . ?e_1 <twinned_administrative_body> ?e . ?e_1 <pred:name> "Philadelphia" . ?e_1 <twinned_administrative_body> ?e_2 . ?e_2 <pred:name> "Frankfurt" .  ?e <NUTS_code> ?pv . ?pv <pred:value> "IT71" . [ <pred:fact_h> ?e ; <pred:fact_r> <NUTS_code> ; <pred:fact_t> ?pv ] <end_time> ?qpv .  }
Answer: 2003-06-30