Question: What is the official website of the 1980 Grammy Awards?
Choices: http://www.tau.ac.il
http://www.staffordshire.gov.uk/
http://www.chrispaul3.com
https://www.apple.com/ca/ios/
http://www.serjtankian.com
http://www.grammy.com/
http://www.crawley.gov.uk/
http://www.jumperthemovie.com/
http://greggallman.com/
http://www.ucc.ie/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "Grammy Award" . ?e <inception> ?pv_1 . ?pv_1 <pred:year> 1980 . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterYear
dependencies: 0
inputs: inception
1980
=
function: FilterConcept
dependencies: 1
inputs: Grammy Award
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://www.grammy.com/