Question: Who founded the production company that produced I Am Legend?
Choices: Tim Bevan
Joseph M. Schenck
Arnon Milchan
Mel Gibson
Chris Evans
Jack Warner
Bruce Berman
John Davis
Tom Skerritt
Charlie Chaplin
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <founded_by> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "film production company" . ?e_2 <production_company> ?e_1 . ?e_2 <pred:name> "I Am Legend" .   }
Program:
function: Find
inputs: I Am Legend
function: Relate
dependencies: 0
inputs: production company
forward
function: FilterConcept
dependencies: 1
inputs: film production company
function: Relate
dependencies: 2
inputs: founded by
forward
function: FilterConcept
dependencies: 3
inputs: human
function: What
dependencies: 4
Answer: Jack Warner