Question: Which film has Imelda Staunton as a cast member and whose official website is http://www.veradrake.com/ ?
Choices: Taking Woodstock
Shakespeare in Love
The Fifth Element
Vera Drake
Another Year
A Prairie Home Companion
Pleasantville
Talk to Her
Rebecca
Harry Potter and the Half-Blood Prince
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Imelda Staunton" .  ?e <official_website> ?pv . ?pv <pred:value> "http://www.veradrake.com/" .  }
Program:
function: Find
inputs: Imelda Staunton
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: film
function: FindAll
function: FilterStr
dependencies: 3
inputs: official website
http://www.veradrake.com/
function: FilterConcept
dependencies: 4
inputs: film
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Vera Drake