Question: What is the official website of the person who was influenced by Ray Charles born on 1930-09-23?
Choices:
http://www.otago.ac.nz
http://www.fff.fr/equipes-de-france/
http://www.sonypictures.com/homevideo/crouchingtigerhiddendragon/index.html
http://www.nba.com/magic/?tmd=1
http://www.washingtoncountyal.com
http://www.connecticutcollege.edu
http://www.billypreston.net/
http://www.sa.gov.au/
http://www.watchimage.com
http://www.theblackdahliamovie.net/
Answer: http://www.billypreston.net/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <influenced_by> ?e_1 . ?e_1 <pred:name> "Ray Charles" . ?e_1 <date_of_birth> ?pv_1 . ?pv_1 <pred:date> "1930-09-23"^^xsd:date . ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Ray Charles
function: FilterDate
dependencies: 0
inputs: date of birth
1930-09-23
=
function: Relate
dependencies: 1
inputs: influenced by
backward
function: FilterConcept
dependencies: 2
inputs: human
function: QueryAttr
dependencies: 3
inputs: official website