Question: The NFL includes how many American football teams?
Choices: 27
28
29
30
31
32
33
34
35
36
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "American football team" . ?e <league> ?e_1 . ?e_1 <pred:name> "National Football League" .   }
Program:
function: Find
inputs: National Football League
function: Relate
dependencies: 0
inputs: league
backward
function: FilterConcept
dependencies: 1
inputs: American football team
function: Count
dependencies: 2
Answer: 32