Question: About the kind of sport with official website http://www.worldcurling.org does it have OSM tag or key exactly Tag:sport=chess ?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "type of sport" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.worldcurling.org" . ?e <OSM_tag_or_key> ?pv . ?pv <pred:value> "Tag:sport=chess" .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.worldcurling.org
function: FilterConcept
dependencies: 1
inputs: type of sport
function: QueryAttr
dependencies: 2
inputs: OSM tag or key
function: VerifyStr
dependencies: 3
inputs: Tag:sport=chess
Answer: no