an Entity references as follows:
Gergely Szilveszter Karácsony (Hungarian pronunciation: [ˈkɒraːt͡ʃoɲ ˌɡɛrɡɛj ˌsilvɛstɛr]; born 11 June 1975) is a Hungarian politician, political scientist and current Mayor of Budapest. He previously served as member of the National Assembly (MP) from 2010 to 2014 and Mayor of Zugló from 2014 to 2019.