Question: When did Summer Olympic Games, followed by 1920 Summer Olympics, begin ?
Choices: 1877
1989-09-18
1995-09-05
1756-01-01
1912-05-05
1947-01-01
1995-06-10
1845-03-04
1987-10-26
1993-05-10
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "Summer Olympic Games" . ?e <followed_by> ?e_1 . ?e_1 <pred:name> "1920 Summer Olympics" .  ?e <start_time> ?pv .  }
Program:
function: Find
inputs: 1920 Summer Olympics
function: Relate
dependencies: 0
inputs: followed by
backward
function: FilterConcept
dependencies: 1
inputs: Summer Olympic Games
function: QueryAttr
dependencies: 2
inputs: start time
Answer: 1912-05-05