Question: What nationality was the leader of the expedition that Juan de Zubileta began on August 10, 1519?
Sentence (from "Juan de Zubileta"): Zubileta was one of the eighteen men who managed to complete the expedition, reaching Sanlúcar de Barrameda on September 6, 1522 on the "Victoria", along with 17 other survivors.
Relevant evidence: No