Question: Regarding the person who is the composer of Anna Karenina (which features Sean Bean in the cast), what is his or her official website?
Choices: http://www.johnson-county.com
http://lewisblack.com/
https://www.westminster.gov.uk/
http://www.lafayette.in.gov/
http://rosebyrne.org/
http://www.thecars.org/
http://www.cob.org/
https://www.bankofamerica.com/
http://www.sprkfv.net
http://www.northamptonma.gov/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <composer> ?e . ?e_1 <pred:name> "Anna Karenina" . ?e_1 <cast_member> ?e_2 . ?e_2 <pred:name> "Sean Bean" .  ?e <official_website> ?pv .  }
Program:
function: Find
inputs: Sean Bean
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Anna Karenina
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: composer
forward
function: FilterConcept
dependencies: 4
inputs: human
function: QueryAttr
dependencies: 5
inputs: official website
Answer: http://www.sprkfv.net