an Entity references as follows:
Gregorio Pacheco Leyes (4 July 1823 – 20 August 1899) was a Bolivian businessman and entrepreneur who served as the 21st president of Bolivia from 1884 to 1888. Pacheco won a disputed election that was a virtual three-way tie between him, Conservative leader Aniceto Arce, and Liberal leader Eliodoro Camacho. Pacheco had earned a fortune in the silver mining industry and was one of the country's foremost philanthropists.