Question: Which big city, since 1987, is the twinned administrative body of the United States city that is an administrative division of Dane County?
Choices: Lyon
Gothenburg
Aachen
Dnipro
Halle (Saale)
Bordeaux
Wuppertal
Freiburg im Breisgau
Stuttgart
Utrecht
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city of the United States" . ?e_2 <contains_administrative_territorial_entity> ?e_1 . ?e_2 <pred:name> "Dane County" .  [ <pred:fact_h> ?e ; <pred:fact_r> <twinned_administrative_body> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 1987 .  }
Program:
function: Find
inputs: Dane County
function: Relate
dependencies: 0
inputs: contains administrative territorial entity
forward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: Relate
dependencies: 2
inputs: twinned administrative body
backward
function: QFilterYear
dependencies: 3
inputs: start time
1987
=
function: FilterConcept
dependencies: 4
inputs: big city
function: What
dependencies: 5
Answer: Freiburg im Breisgau