Question: What is the offical website of the US city whose subreddit is Waukesha (the language of this statement is English)?
Choices: http://www.auburn.ca.gov
http://www.ci.waukesha.wi.us
http://www.cabq.gov/
http://www.bbc.co.uk/programmes/b018ttws
http://www.co.livingston.mi.us
http://www.leiden.nl/
https://www.pixar.com/feature-films/ratatouille
http://www.julietavenegas.net/
http://www.gulliverstravelsthemovie.com/
http://movies.disney.com/the-nightmare-before-christmas
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <subreddit> ?pv_1 . ?pv_1 <pred:value> "Waukesha" . [ <pred:fact_h> ?e ; <pred:fact_r> <subreddit> ; <pred:fact_t> ?pv_1 ] <language_of_work_or_name> ?qpv . ?qpv <pred:value> "English" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: subreddit
Waukesha
function: QFilterStr
dependencies: 1
inputs: language of work or name
English
function: FilterConcept
dependencies: 2
inputs: city of the United States
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://www.ci.waukesha.wi.us