Question: What film has Irene Lentz as a cast member and the title of The Merry Widow?
Choices: A Prairie Home Companion
Talk to Her
Curse of the Golden Flower
The Hunchback of Notre Dame
Rope
The Merry Widow
Pleasantville
Training Day
The Towering Inferno
Rebecca
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "film" . ?e <cast_member> ?e_1 . ?e_1 <pred:name> "Irene Lentz" .  ?e <title> ?pv . ?pv <pred:value> "The Merry Widow" .  }
Program:
function: Find
inputs: Irene Lentz
function: Relate
dependencies: 0
inputs: cast member
backward
function: FilterConcept
dependencies: 1
inputs: film
function: FindAll
function: FilterStr
dependencies: 3
inputs: title
The Merry Widow
function: FilterConcept
dependencies: 4
inputs: film
function: And
dependencies: 2
5
function: What
dependencies: 6
Answer: The Merry Widow