Question: What is the birth name of the person who was born in Towson?
Choices: Michael Fred Phelps II
Cynthia Ellen Nixon
Justin Randall Timberlake
Shad Gregory Moss
Timothy Walter Burton
陳港生
Seth Woodbury MacFarlane
Jonathan Stuart Leibowitz
Helsing
Norman Robert Foster
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e <place_of_birth> ?e_1 . ?e_1 <pred:name> "Towson" .  ?e <birth_name> ?pv .  }
Program:
function: Find
inputs: Towson
function: Relate
dependencies: 0
inputs: place of birth
backward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: birth name
Answer: Michael Fred Phelps II