Question: What business is headquartered in Austrian city whose official website is  http://www.australia.com/en-us/places/sydney.html ?
Choices: E. W. Scripps Company
KLM
Skidmore Owings Merrill
Adobe Inc.
Entertainment One
Pfizer
Sega
Westfield Group
Vodafone
McDonald's
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "business" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "city" . ?e_1 <official_website> ?pv . ?pv <pred:value> "http://www.australia.com/en-us/places/sydney.html" .  [ <pred:fact_h> ?e ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e_1 ] <country> ?qpv . ?qpv <pred:value> "Australia" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.australia.com/en-us/places/sydney.html
function: FilterConcept
dependencies: 1
inputs: city
function: Relate
dependencies: 2
inputs: headquarters location
backward
function: QFilterStr
dependencies: 3
inputs: country
Australia
function: FilterConcept
dependencies: 4
inputs: business
function: What
dependencies: 5
Answer: Westfield Group