Question: Which war featured Roundhead?
Choices: First Crusade
Crusade
Second Punic War
Coalition Wars
French invasion of Russia
Crimean War
English Civil War
Yom Kippur War
Six-Day War
Bosnian War
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <participant> ?e_1 . ?e_1 <pred:name> "Roundhead" .   }
Program:
function: Find
inputs: Roundhead
function: Relate
dependencies: 0
inputs: participant
backward
function: FilterConcept
dependencies: 1
inputs: war
function: What
dependencies: 2
Answer: English Civil War