Question: What is the Twitter username of the person born in Orange County (the one whose official website is http://www.ocgov.com/)?
Choices:
AlejandroSanz
Brewers
AACountyGovt
DunfermlineAFC
sapresident
swansofficial
fcrk
m_millsey
stephenfry
nickcave
Answer: m_millsey
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Orange County" . ?e_1 <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.ocgov.com/" . ?e <Twitter_username> ?pv .  }
Program:
function: Find
inputs: Orange County
function: FilterStr
dependencies: 0
inputs: official website
http://www.ocgov.com/
function: Relate
dependencies: 1
inputs: place of birth
backward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: Twitter username