Case C-272/19: Judgment of the Court (Third Chamber) of 9 July 2020 (request for a preliminary ruling from the Verwaltungsgericht Wiesbaden — Germany) — VQ v Land Hessen (Reference for a preliminary ruling — Article 267 TFEU — Concept of ‘court or tribunal’ — Protection of natural persons with regard to the processing of personal data — Regulation (EU) 2016/679 — Scope — Article 2(2)(a) — Meaning of ‘activity which falls outside the scope of Union law’ — Article 4(7) — Concept of ‘controller’ — Petitions Committee of the parliament of a Federated State of a Member State — Article 15 — Right of access by the data subject)