Detailed Instructions: In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Problem:Passage: On November 9, 1948, Flannelly was appointed Auxiliary bishop of New York and Titular Bishop of Metelis by Pope Pius XII. After receiving news of his appointment, he stated, "I am delighted, of course, that I am going to be a successor of the Apostles, and I am humbly grateful to God." He received his episcopal consecration on the following December 16 from Cardinal Francis Spellman, with Bishops Joseph Patrick Donahue and Stephen Joseph Donahue serving as co-consecrators, at St. Patrick's Cathedral. At his consecration, he wore the same vestments worn by Cardinal Spellman and Pope Pius XII at their own consecrations. He was also given the episcopal ring of Cardinal Patrick Joseph Hayes and the pectoral cross of Archbishop John Hughes. He selected as his episcopal motto: "Pro Hominibus ad Deum," which, freely translated, means, "Ordained for men in the things that appertain to God" ().
Link Information: Pope Pius XII (), born Eugenio Maria Giuseppe Giovanni Pacelli (; 2 March 18769 October 1958), was head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 to his death in 1958. Answer: 2 March 1939
Solution:
When was the person who appointed Flannelly Titular Bishop of Metelis elected head of the Catholic Church?