 Complete the following phrase:  Gaspar de Guzmán y Pimentel, 1st Duke of Sanlúcar, 3rd Count of Olivares, GE, known as the Count-Duke of Olivares taken by joining both his countship and subsequent dukedom January 6, 1587  July 22, 1645, was a Spanish royal favourite of Philip IV and minister. As prime minister from 1621 to 1643, he over-exerted Spain in foreign affairs and unsuccessfully attempted domestic reform. His policy of committing Spain to recapture Holland led to a renewal of the Eighty Years War while Spain was also embroiled in the Thirty Years War 16181648. In addition, his attempts to centralise power and increase wartime taxation led to revolts 