Question: Did the Summer Olympic Games with official website https://www.olympic.org/london-1948 start before 2011?
Choices: yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "Summer Olympic Games" . ?e <official_website> ?pv_1 . ?pv_1 <pred:value> "https://www.olympic.org/london-1948" . ?e <start_time> ?pv . ?pv <pred:year> ?v . FILTER ( ?v < 2011 ) .  }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: official website
https://www.olympic.org/london-1948
function: FilterConcept
dependencies: 1
inputs: Summer Olympic Games
function: QueryAttr
dependencies: 2
inputs: start time
function: VerifyYear
dependencies: 3
inputs: 2011
<
Answer: yes