Question: Which person created Law & Order, featuring cast member Sam Waterston?
Choices: Rahul Dev Burman
Max Fleischer
Sylvester Stallone
William Henry Harrison
Dick Wolf
Ken Burns
William Holden
Richard Gere
Jacqueline Bisset
David Byrne
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <creator> ?e . ?e_1 <pred:name> "Law & Order" . ?e_1 <cast_member> ?e_2 . ?e_2 <pred:name> "Sam Waterston" .   }
Program:
function: Find
inputs: Sam Waterston
function: Relate
dependencies: 0
inputs: cast member
backward
function: Find
inputs: Law & Order
function: And
dependencies: 1
2
function: Relate
dependencies: 3
inputs: creator
forward
function: FilterConcept
dependencies: 4
inputs: human
function: What
dependencies: 5
Answer: Dick Wolf