Question: What Twitter handle belongs to the association football club headquartered in Newport,  birthplace of Michael Sheen?
Choices:
stevencurtis
FCMetz
robinwilliams
DollyParton
Versailles
AAUniversities
NewportCounty
DowntonAbbey
MargHelgen
gordenmikefield
Answer: NewportCounty
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "association football club" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Newport" . ?e_2 <place_of_birth> ?e_1 . ?e_2 <pred:name> "Michael Sheen" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Michael Sheen
function: Relate
dependencies: 0
inputs: place of birth
forward
function: Find
inputs: Newport
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: headquarters location
backward
function: FilterConcept
dependencies: 4
inputs: association football club
function: QueryAttr
dependencies: 5
inputs: Twitter username