Question: What is the Twitter username of the university that is located in Grand Forks?
Choices:
tsukamoto_shiny
stockportcounty
_KennyRogers
myUND
PepsiCo
SouthPark
Athletic_fr
RachaelLCook
scottishfa
foodnetwork
Answer: myUND
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "university" . ?e <located_in_the_administrative_territorial_entity> ?e_1 . ?e_1 <pred:name> "Grand Forks" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Grand Forks
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
backward
function: FilterConcept
dependencies: 1
inputs: university
function: QueryAttr
dependencies: 2
inputs: Twitter username