Question: What is the conflict Simon de Montfort, 6th Earl of Leicester have on May 14, 1264?
Paraphrase: On May 14th, 1264, what conflict occured for Simon de Montfort, 6th Earl of Leicester?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q310092 p:P607 ?s . ?s ps:P607 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1264')) }