Question: What is the official website for the city with the official name of Halifax Regional Municipality?
Choices:
http://www.newschool.edu/parsons/
http://vijaytafilms.com/
http://www.boeing.com/
http://movies.disney.com/the-music-man
http://www.velvetundergroundmusic.com/
http://www.cravendc.gov.uk/
https://www.olympic.org/salt-lake-city-2002
http://bestinshowonline.warnerbros.com/
https://www.halifax.ca/
http://www.fckryvbas.dp.ua/
Answer: https://www.halifax.ca/
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "city" . ?e <official_name> ?pv_1 . ?pv_1 <pred:value> "Halifax Regional Municipality" . ?e <official_website> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official name
Halifax Regional Municipality
function: FilterConcept
dependencies: 1
inputs: city
function: QueryAttr
dependencies: 2
inputs: official website