Question: What is the official website of Astro Boy which is authored by Osamu Tezuka?
Choices:
http://www.waterloo.ca
http://tezukaosamu.net
http://www.ci.upland.ca.us
http://www.wbgames.com/
http://www.co.cape-may.nj.us/
http://www.expendablesthemovie.com/#/home
http://www.corpus.cam.ac.uk/
http://www.mills.edu
http://www.usherworld.com
https://www.sufc.co.uk/
Answer: http://tezukaosamu.net
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:name> "Astro Boy" . ?e <author> ?e_1 . ?e_1 <pred:name> "Osamu Tezuka" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Osamu Tezuka
function: Relate
dependencies: 0
inputs: author
backward
function: Find
inputs: Astro Boy
function: And
dependencies: 1
2
function: QueryAttr
dependencies: 3
inputs: official website