user: Question: When was the elector from Pisa elevated?
Columns: ['Elector', 'Nationality', 'Cardinalatial order and title', 'Elevated', 'Elevator']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Kuno von Urach', 'Germany', 'Cardinal-bishop of Palestrina', 'Circa 1107', 'Paschal II']
SQL:

assistant: SELECT "Elevated" FROM "Table" WHERE "Nationality" = 'Pisa';