Question: What is the width for the geographic region which has the heritage designation, UNESCO World Heritage Site (the start time of this statement is 2017)?
Choices: 32 kilometre
92 kilometre
45 metre
55 kilometre
42 kilometre
650 kilometre
400 kilometre
60 kilometre
131 kilometre
150 foot
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "geographic region" . ?e <heritage_designation> ?e_1 . ?e_1 <pred:name> "UNESCO World Heritage Site" .  [ <pred:fact_h> ?e ; <pred:fact_r> <heritage_designation> ; <pred:fact_t> ?e_1 ] <start_time> ?qpv . ?qpv <pred:year> 2017 . ?e <width> ?pv .  }
Program:
function: Find
inputs: UNESCO World Heritage Site
function: Relate
dependencies: 0
inputs: heritage designation
backward
function: QFilterYear
dependencies: 1
inputs: start time
2017
=
function: FilterConcept
dependencies: 2
inputs: geographic region
function: QueryAttr
dependencies: 3
inputs: width
Answer: 55 kilometre