title: Monarchy of Spain
context: The monarchy of Spain (Spanish: Monarquía Española), constitutionally referred to as The Crown (Spanish: La Corona), is a constitutional institution and historic office of Spain.[1] The monarchy comprises the reigning monarch, his or her family, and the royal household organization which supports and facilitates the monarch in the exercise of his duties and prerogatives.[2][3] The Spanish monarchy is currently represented by King Felipe VI, Queen Letizia, and their daughters Leonor, Princess of Asturias, and Infanta Sofía.
question: Who was the last ruling monarch of Spain?
answers: King Felipe VI