Question: What is the official website of the United States city whose local area code is 607?
Choices: https://www.uni-frankfurt.de/
http://www.lucknow.nic.in
https://www.sjearthquakes.com
http://www.berkeley.edu
http://www.niagarafallsusa.org/
http://www.georgsolti.com/
http://www.mikewatt.com
http://www.sonyclassics.com/synecdocheny
http://www.ericrobertsactor.com/
http://www.mgm.com
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city of the United States" . ?e <local_dialing_code> ?pv_1 . ?pv_1 <pred:value> "607" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: local dialing code
607
function: FilterConcept
dependencies: 1
inputs: city of the United States
function: QueryAttr
dependencies: 2
inputs: official website
Answer: http://www.niagarafallsusa.org/