Question:  Rafaela Ybarra de Vilallonga was the founder of the Sister of the Holy Guardian Angels in what city that is the largest in the province of Biscay and in the Basque Country as a whole?
Sentence (from "Rafaela Ybarra de Vilallonga"): Vilallonga was part of Bilbao's upper-class and she mothered seven children with her husband José Vilallonga.
Relevant evidence: No