Question: The activity represented by its official website, www.berlin2009.org/1-1-home.html, took place at what time?
Choices: 2017-01-01
1990-06-03
1930-01-01
2004-03-17
2018-03-20
2011-06-05
2009
2000-08-09
1514
1833-09-19
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "activity" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "http://www.berlin2009.org/1-1-home.html" . ?e <point_in_time> ?pv .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
http://www.berlin2009.org/1-1-home.html
function: FilterConcept
dependencies: 1
inputs: activity
function: QueryAttr
dependencies: 2
inputs: point in time
Answer: 2009