Question: In what city the person (whose Twitter username is Gibbstack) born in United States?
Choices: Huntsville
Plano
Santa Barbara
Santa Fe
Winston-Salem
Bremerton
New Orleans
Paducah
Laguna Beach
Springfield
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e_1 <place_of_birth> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <Twitter_username> ?pv . ?pv <pred:value> "Gibbstack" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: Twitter username
Gibbstack
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: place of birth
forward
function: FilterConcept
dependencies: 3
inputs: city of the United States
function: What
dependencies: 4
Answer: Bremerton