Question: Which newscast is presented by Al Roker?
Choices: The Daily Show
manufacturing
Western Desert Campaign
The Colbert Report
FreeBSD
Napoleonic Wars
Today
Second Intifada
Android
Orange
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "newscast" . ?e <presenter> ?e_1 . ?e_1 <pred:name> "Al Roker" .   }
Program:
function: Find
inputs: Al Roker
function: Relate
dependencies: 0
inputs: presenter
backward
function: FilterConcept
dependencies: 1
inputs: newscast
function: What
dependencies: 2
Answer: Today