Question: Which telephone area code indicates the city represented online at www.niagarafalls.ca?
Choices: 01924
913
647
0879
732
905 - 289
01334
515
262
390
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.niagarafalls.ca/" . ?e <local_dialing_code> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.niagarafalls.ca/
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: local dialing code
Answer: 905 - 289