Complex sentence: He was mayor of Lleida from 1979-1987 and 1989-2003; and from 2003-2006 was Minister of Agriculture, Livestock and Fisheries of the Generalitat de Catalunya.
Split into simpler sentences: He was mayor of Lleida from 1979--1987 and 1989--2003. From 2003--2006, Siurana the was Minister of Agriculture, Livestock and Fisheries of the Generalitat de Catalunya.