Question: What is the Instagram username of the association football club headquartered in Washington, D.C.?
Choices: chilipeppers
kevinfcorrigan
nbcsnl
officialasroma
howuseeit
therealleech
jenamalone
easyjet
dcunited
prideofgypsies
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> "Washington, D.C." .  ?e <Instagram_username> ?pv .  }
Program:
function: Find
inputs: Washington, D.C.
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: FilterConcept
dependencies: 1
inputs: association football club
function: QueryAttr
dependencies: 2
inputs: Instagram username
Answer: dcunited