Complex sentence: Filner was previously the U.S. Representative for, and previously the 50th, serving from 1993 to 2012, and was chairman of the House Committee on Veterans' Affairs 2007-2011.
Split into simpler sentences: Filner was previously the U.S. Representative for, and previously the 50th, serving from 1993 to 2012. He was chairman of the House Committee on Veterans' Affairs 2007-2011.