Complex sentence: California's 20th congressional district is a congressional district in the U.S. state of California that from 2003-2013 covered parts of Fresno and Kern counties and all of Kings county.
Split into simpler sentences: California's 20th congressional district is a congressional district in the U.S. state of California. From 2003-2013, the former district covered parts of Fresno and Kern counties and all of Kings county.