Complex sentence: The team had two spells in the Liga de Fútbol Profesional Boliviano, the first one from 1981 to 1983, and the second one from 1990 to 2003.
Split into simpler sentences: The team had two spells in the Liga de Fútbol Profesional Boliviano. The first one lasted from 1981 to 1983, and the second one from 1990 to 2003.