Task: Question Generation
Input (English): As of 2010[update], the city of Montevideo has been divided into 8 political municipalities (Municipios), referred to with the letters from A to G, including CH, each presided over by a mayor elected by the citizens registered in the constituency. This division, according to the Municipality of Montevideo, "aims to advance political and administrative decentralization in the department of Montevideo, with the aim of deepening the democratic participation of citizens in governance." The head of each Municipio is called an alcalde or (if female) alcaldesa.
Output (English): What is the head of each Municipio called?