Question: What opera house whose first Opera staging was Beethovens "Fidelio" had a guest conductor born November 6th 1978 in Valencia, Spain?
Sentence (from "Palau de les Arts Reina Sofia"): Palau de les Arts Reina Sofia (] ; Spanish: "Palacio de las Artes Reina Sofía" ; anglicised as "Reina (Queen) Sofía Palace of the Arts") is an opera house and cultural centre in Valencia, Spain.
Relevant evidence: Yes