Pregiudiziale - Tribunal Superior de Justicia de Andalucía (contencioso administrativo) - Interpretazione dell'art. ###>Reference for a preliminary ruling - Tribunal Superior de Justicia de Andalucía (contencioso administrativo) - Interpretation of Article 4 (1), (4) and (5) of the Sixth VAT Directive 77/388/EEC - Activities or transactions carried out by a public authority.