Question: Which big city is the twinned administrative body of Hammersmith?
Choices: Utrecht
Linz
Darmstadt
Lille
Dnipro
Stuttgart
Boulogne-Billancourt
Halle (Saale)
Honolulu
Lyon
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "big city" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Hammersmith" .   }
Program:
function: Find
inputs: Hammersmith
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: FilterConcept
dependencies: 1
inputs: big city
function: What
dependencies: 2
Answer: Boulogne-Billancourt