Question: What is the title for the television series that has Gabrielle Union as a cast member?
Choices: Resident Evil: Retribution
Pittsburgh
Missing
Harry Potter and the Philosopher's Stone
The Civil War
Aurora
City of Angels
Orlando
The End of the Affair
Before the Devil Knows You're Dead
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "television series" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Gabrielle Union" .  ?e <title> ?pv .  }
Program:
function: Find
inputs: Gabrielle Union
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: television series
function: QueryAttr
dependencies: 2
inputs: title
Answer: City of Angels