Question: Are both Doñana National Park and Guadarrama National Park areas of marshes, streams, and sand dunes?
Sentence (from "Mauricio González-Gordon y Díez"): Mauricio González-Gordon y Díez, Marquis of Bonanza (18 October 1923 – 27 September 2013) was a Spanish sherry maker and a conservationist.
Relevant evidence: No