Question: What position was held by Leo I in the year 0461-11-10?
Paraphrase: What was Leo I's position in 0461-11-10?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q43954 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'0461')) }