Question: What was the starting date of the military conflict in which Mexico took part?
Choices: 2009-01-06
2000-06-01
1516
1986-03-16
1816-12-11
1622
1929-01-14
1946-06-18
1967-07-01
1356
SPARQL: SELECT DISTINCT ?pv WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "war" . ?e <participant> ?e_1 . ?e_1 <pred:name> "Mexico" .  ?e <start_time> ?pv .  }
Program:
function: Find
inputs: Mexico
function: Relate
dependencies: 0
inputs: participant
backward
function: FilterConcept
dependencies: 1
inputs: war
function: QueryAttr
dependencies: 2
inputs: start time
Answer: 1622