Question: Who was born in Petersburg?
Choices: Lorne Michaels
William Henry Harrison
Nelson Riddle
Max Fleischer
Joseph Cotten
Jeremy Irons
Dashiell Hammett
Robert Anton Wilson
Sylvester Stallone
Richard Gere
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Petersburg" .   }
Program:
function: Find
inputs: Petersburg
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: What
dependencies: 2
Answer: Joseph Cotten