Question: Which person educated at Harvard University served as the executive producer of The Simpsons?
Choices: David Foster Wallace
Elisabeth Shue
Matt Selman
James L. Brooks
Ken Keeler
Sam Simon
B. J. Novak
Carlton Cuse
Al Jean
Max Fleischer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <executive_producer> ?e . ?e_1 <pred:name> "The Simpsons" .  ?e <educated_at> ?e_2 . ?e_2 <pred:name> "Harvard University" .  }
Program:
function: Find
inputs: The Simpsons
function: Relate
dependencies: 0
inputs: executive producer
forward
function: FilterConcept
dependencies: 1
inputs: human
function: Find
inputs: Harvard University
function: Relate
dependencies: 3
inputs: educated at
backward
function: FilterConcept
dependencies: 4
inputs: human
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: Al Jean