Complex sentence: Luis Francisco Cuéllar Carvajal (December 22,1940--December 22,2009) was a Colombian politician who served as Governor of the department of Caquetá from January 1,2008, until his murder on December 22,2009.
Split into simpler sentences: Luis Francisco Cuéllar Carvajal (December 22,1940--December 22,2009) was a Colombian politician. Cuellar served as Governor of the State of Caquetá from January 1,2008, until his murder on December 22,2009.