Question: What's the official website of the person who was composer for A Streetcar Named Desire, published on 1984-01-01?
Choices: http://www.gov.bih.nic.in
http://nicolerichie.com/
http://corporate.wwe.com/who-we-are/leadership#vincent-k-mcmahon
http://marvinhamlisch.us/
http://www.dccomics.com/watchmen
http://www.jonathanlethem.com
http://www.lasalle.edu
http://www.hbo.com/deadwood/
http://www.jessicasimpson.com
http://www.townofpalmbeach.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <composer> ?e . ?e_1 <pred:name> "A Streetcar Named Desire" . ?e_1 <publication_date> ?pv_1 . ?pv_1 <pred:date> "1984-01-01"^^xsd:date . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: A Streetcar Named Desire
function: FilterDate
dependencies: 0
inputs: publication date
1984-01-01
=
function: Relate
dependencies: 1
inputs: composer
forward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: official website
Answer: http://marvinhamlisch.us/