Question: Josep Maria de Porcioles i Colomer (Catalan pronunciation: [uzb mi. pursiz]) (Amer July 15 1904 Vilassar de Dalt September 3 1993) was the mayor of Barcelona Catalonia Spain for sixteen years from March 15 1957 until May 11 1973 during the dictatorship of Franco. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Office Holder