Question: Which organization's chief executive officer is educated at Columbia Business School?
Choices: Virgin Group
AOL
McDonald's
Confederation of African Football
WWE
IBM
Yahoo
Simon Property Group
Apple
Sega
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e <chief_executive_officer> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <educated_at> ?e_3 . ?e_3 <pred:name> "Columbia Business School" .   }
Program:
function: Find
inputs: Columbia Business School
function: Relate
dependencies: 0
inputs: educated at
backward
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: chief executive officer
backward
function: FilterConcept
dependencies: 3
inputs: organization
function: What
dependencies: 4
Answer: Simon Property Group