Question: What is the Twitter username of the American football team headquartered in Houston which contains the University of Houston?
Choices:
SanJoseSharks
billyraycyrus
FCSEOUL
RealSaltLake
gatesheadfc
john_sayles
BadBoyRecords
iHrithik
HoustonTexans
bbcchinese
Answer: HoustonTexans
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "American football team" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Houston" . ?e_2 <located_in_the_administrative_territorial_entity> ?e_1 . ?e_2 <pred:name> "University of Houston" .  ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: University of Houston
function: Relate
dependencies: 0
inputs: located in the administrative territorial entity
forward
function: Find
inputs: Houston
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: headquarters location
backward
function: FilterConcept
dependencies: 4
inputs: American football team
function: QueryAttr
dependencies: 5
inputs: Twitter username