Given the task definition and input, reply with output. In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

Ferdinand III (German: "Ferdinand Josef Johann Baptist"; Italian: "Ferdinando Giuseppe Giovanni Baptista"; English: "Ferdinand Joseph John Baptist"; 6 May 1769 18 June 1824) was Grand Duke of Tuscany from 1790 to 1801 and, after a period of disenfranchisement, again from 1814 to 1824. He was also the Prince-elector and Grand Duke of Salzburg (18031805) and Grand Duke of Wurzburg (18051814). Question: The owner of the painting The Madonna del Granduca held what title from 1805-1814? Answer: Grand Duke of Wurzburg
He was also the Princeelector and Grand Duke of Salzburg 18031805 and Grand Duke of Wurzburg 18051814.