Question: What's the official website of the record label that began distribution by Epic Records in 1980?
Choices:
http://www.cesl.us/
http://www.ralphstanley.net/
http://www.timelinemovie.com/
http://www.margotkidder.com
http://www.mo.gov
http://www.mcmaster.ca
http://www.miramax.com/movie/there-will-be-blood
http://www.geffen.com
http://www.gov.nl.ca/
http://www.ny.gov/
Answer: http://www.geffen.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "record label" . ?e <distributor> ?e_1 . ?e_1 <pred:name> "Epic Records" .  [ <pred:fact_h> ?e ; <pred:fact_r> <distributor> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 1980 . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Epic Records
function: Relate
dependencies: 0
inputs: distributor
backward
function: QFilterYear
dependencies: 1
inputs: start time
1980
=
function: FilterConcept
dependencies: 2
inputs: record label
function: QueryAttr
dependencies: 3
inputs: official website