Question: What video game has Stan Lee who is a cast member of Iron Man 3 as a voice actor?
Choices: Guitar Hero 5
Spider-Man
music video game
Harry Potter and the Half-Blood Prince
beat 'em up
Robot Chicken
Futurama
South Park
Batman
Battleship
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "video game" . ?e <voice_actor> ?e_1 . ?e_1 <pred:name> "Stan Lee" . ?e_2 <cast_member> ?e_1 . ?e_2 <pred:name> "Iron Man 3" .   }
Program:
function: Find
inputs: Iron Man 3
function: Relate
dependencies: 0
inputs: cast member
forward
function: Find
inputs: Stan Lee
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: voice actor
backward
function: FilterConcept
dependencies: 4
inputs: video game
function: What
dependencies: 5
Answer: Spider-Man