Question: When was Cardinal-deacon of S. Giorgio in Velabro elevated?
SQL: SELECT "Elevated" FROM "2-18868987-1" WHERE "Cardinalatial order and title" = 'Cardinal-deacon of S. Giorgio in Velabro';

Question: What is the Cardinalatial order and title that Pedro Martínez de Luna y Gotor elevated?
SQL: SELECT "Cardinalatial order and title" FROM "2-18868987-1" WHERE "Elector" = 'Pedro Martínez de Luna y Gotor';

Question: What is the nationality of the elector withe the Cardinalatial order and title of Cardinal-priest of Ss. XII Apostoli?
SQL: SELECT "Nationality" FROM "2-18868987-1" WHERE "Cardinalatial order and title" = 'Cardinal-priest of Ss. XII Apostoli';