Question: How many U.S. states are located in the time zone of the Central Time Zone?
Choices:
16
17
18
19
20
21
22
23
24
25
Answer: 17
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "state of the United States" . ?e <located_in_time_zone> ?e_1 . ?e_1 <pred:name> "Central Time Zone" .   }
Program:
function: Find
inputs: Central Time Zone
function: Relate
dependencies: 0
inputs: located in time zone
backward
function: FilterConcept
dependencies: 1
inputs: state of the United States
function: Count
dependencies: 2