Question: What is the official website of Essex County which is the residence of Margaret Atwood?
Choices:
http://www.crossroadsmovie.com
http://www.theuncool.com
http://www.stateofplaymovie.net
http://ci.champaign.il.us/
http://www.aruba.com/
http://www.law.uchicago.edu/
https://www.olympic.org/atlanta-1996
http://www.countyofessex.on.ca/
http://www.indonesia.go.id
http://www.sitesakamoto.com/
Answer: http://www.countyofessex.on.ca/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Essex County" . ?e_1 <residence> ?e . ?e_1 <pred:name> "Margaret Atwood" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Margaret Atwood
function: Relate
dependencies: 0
inputs: residence
forward
function: Find
inputs: Essex County
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website