Case C-278/18: Judgment of the Court (Eighth Chamber) of 28 February 2019 (request for a preliminary ruling from the Supremo Tribunal Administrativo — Portugal) — Manuel Jorge Sequeira Mesquita v Fazenda Pública (Reference for a preliminary ruling — Value added tax (VAT) — Sixth Directive 77/388/EEC — Exemption — Article 13B(b) — Leasing or letting of immovable property — Meaning — Contract for the transfer of the use of land comprising vineyards for agricultural purposes)