Question: What language is http://www.starwars.com/explore/the-movies/episode-v , the official website of  Star Wars Episode V: The Empire Strikes Back (the one that has George Lucas as a film editor) ?
Choices: Tamil
Bavarian
Ukrainian
Irish
Welsh
English
Macedonian
Lower Sorbian
Norwegian
British English
SPARQL: SELECT DISTINCT ?qpv WHERE { ?e <pred:name> "Star Wars Episode V: The Empire Strikes Back" . ?e <film_editor> ?e_1 . ?e_1 <pred:name> "George Lucas" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.starwars.com/explore/the-movies/episode-v" . [ <pred:fact_h> ?e ; <pred:fact_r> <official_website> ; <pred:fact_t> ?pv ] <language_of_work_or_name> ?qpv .  }
Program:
function: Find
inputs: George Lucas
function: Relate
dependencies: 0
inputs: film editor
backward
function: Find
inputs: Star Wars Episode V: The Empire Strikes Back
function: And
dependencies: 1
2
function: QueryAttrQualifier
dependencies: 3
inputs: official website
http://www.starwars.com/explore/the-movies/episode-v
language of work or name
Answer: English