Question: What is the start date for the agent having the official website http://www.fcbarcelona.com/football/barca-b?
Choices: 1871-05-10
1846-04-03
1863-05-21
1970
1788-05-23
1895
1861-11-04
1948-04-16
2007-01-01
1937-04-17
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.fcbarcelona.com/football/barca-b" . ?e <inception> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.fcbarcelona.com/football/barca-b
function: FilterConcept
dependencies: 1
inputs: agent
function: QueryAttr
dependencies: 2
inputs: inception
Answer: 1970