Question: What is the person announces for sport auto racing known as?
Choices: financier
sports commentator
seiyū
cinematographer
astronaut
speaker of the United States House of Representatives
make-up artist
bandleader
athlete
illustrator
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "announcer" . ?e_1 <occupation> ?e . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "human" . ?e_1 <sport> ?e_2 . ?e_2 <pred:name> "auto racing" .   }
Program:
function: Find
inputs: auto racing
function: Relate
dependencies: 0
inputs: sport
backward
function: FilterConcept
dependencies: 1
inputs: human
function: Relate
dependencies: 2
inputs: occupation
forward
function: FilterConcept
dependencies: 3
inputs: announcer
function: What
dependencies: 4
Answer: sports commentator