Question: Which Spanish conquistador killed Atahualpa and was subsequently assassinated and succeeded as governor by Cristóbal Vaca de Castro?
Sentence (from "Machado de Castro National Museum"): The National Museum Machado de Castro (Museu Nacional de Machado de Castro) is an art museum in Coimbra, Portugal, named after the renowned Portuguese sculptor Joaquim Machado de Castro.
Relevant evidence: No