Question: which city in United States is the twinned administrative body of Erlangen
Choices: Columbus
Mount Vernon
Midland
Anchorage
Yuma
Orlando
Manhattan
Stoke-on-Trent
Jena
Riverside
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <twinned_administrative_body> ?e_1 . ?e_1 <pred:name> "Erlangen" .   }
Program:
function: Find
inputs: Erlangen
function: Relate
dependencies: 0
inputs: twinned administrative body
backward
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: What
dependencies: 2
Answer: Riverside