Question: What is the official website of the school district whose headquarters is located in Los Angeles at the street address 333 S. Beaudry Ave.?
Choices: http://laurentom.com/
http://www.clubcultura.com/clubcine/clubcineastas/almodovar/volverlapelicula/index.html
http://www.ohio.gov
http://lausd.net/
http://web.archive.org/web/20070926212852/http://www.capcom-europe.com/residentevil/remake/
https://www.cityofvancouver.us/
http://www.sesamestreet.org/
http://www.devilwearsprada-book.com
http://www.limerickcoco.ie
http://www.the-holiday-movie.com/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "school district" . ?e <headquarters_location> ?e_1 . ?e_1 <pred:name> "Los Angeles" .  [ <pred:fact_h> ?e ; <pred:fact_r> <headquarters_location> ; <pred:fact_t> ?e_1 ] <located_at_street_address> ?qpv . ?qpv <pred:value> "333 S. Beaudry Ave." . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Los Angeles
function: Relate
dependencies: 0
inputs: headquarters location
backward
function: QFilterStr
dependencies: 1
inputs: located at street address
333 S. Beaudry Ave.
function: FilterConcept
dependencies: 2
inputs: school district
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://lausd.net/