Question: Which movie production company distributed Das Boot?
Choices: Yash Raj Films
Reliance Entertainment
Lucasfilm
Hollywood Pictures
Constantin Film
Screen Gems
Warner Bros.
The Weinstein Company
Touchstone Pictures
IFC Films
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film production company" . ?e_1 <distributor> ?e . ?e_1 <pred:name> "Das Boot" .   }
Program:
function: Find
inputs: Das Boot
function: Relate
dependencies: 0
inputs: distributor
forward
function: FilterConcept
dependencies: 1
inputs: film production company
function: What
dependencies: 2
Answer: Constantin Film