Question: Was the Sacramento Deep Water Ship Channel or the Contra Costa Canal completed in an earlier year?

Passages:
The Contra Costa Water District (CCWD) is an agency that was created in 1936 to supply water for consumers in eastern Contra Costa, California.  It is now one of the largest water districts in California, serving about 500,000 people in Central and Eastern Contra Costa County. The Contra Costa Times was a daily newspaper based in Walnut Creek, California, U.S..  The paper served Contra Costa and eastern Alameda counties, in the eastern part of the San Francisco Bay Area.  The "Times" also published four other editions under different titles ("West County Times", "East County Times", "San Ramon Valley Times", and "Valley Times") with essentially the same content, serving distinct communities within its circulation area.  In 2007 the Contra Costa Times was merged with Alameda News Group to form a new entity called Bay Area News Group-East Bay (BANG-EB), which is in turn owned by MediaNews Group. Contra Costa Centre is a census-designated place in Contra Costa County, California.  Contra Costa Centre sits at an elevation of 92 feet (28 m).  The 2010 United States census reported Contra Costa Centre's population was 5,364.  Contra Costa Centre is served by the Pleasant Hill / Contra Costa Centre BART station. The Sacramento Deep Water Ship Channel (also known as Sacramento River Deep Water Ship Channel or SRDWSC) is a canal from the Port of Sacramento in West Sacramento, California to the Sacramento River, which flows into San Francisco Bay.  It was completed by the United States Army Corps of Engineers in 1963.  The channel is about 30 feet (9 m) deep, 200 feet (61 m) wide and 43 miles (69 km) long. The Contra Costa Canal is a 47 mi aqueduct in the U.S. state of California.  Its construction began in 1937, with delayed completion until 1948 due to World War II shortages in labor and materials.  A portion of the canal's right of way has been developed as the Contra Costa Canal Regional Trail, a biking and walking trail, and is managed by the East Bay Regional Park District. The County Connection (officially, the Central Contra Costa Transit Authority, CCCTA) is a Concord-based public transit agency operating fixed-route bus and ADA paratransit (County Connection LINK) service in and around central Contra Costa County in the San Francisco Bay Area.  Established in 1980 as a joint powers authority, CCCTA assumed control of public bus service within central Contra Costa first begun by Oakland-based AC Transit as it expanded into suburban Contra Costa County in the mid-1970s (especially after the opening of BART). John Gioia (pronounced: Joy-a ) is an American politician.  He has served on the Contra Costa County Board of Supervisors in Contra Costa County, California since 1998 and was overwhelmingly re-elected three times.  He served as chair in 2002, 2006 and 2010.  John Gioia is a Democrat.  Contra Costa Supervisory seats are non-partisan. The Contra Costa Community College District is a community college district that encompasses three community colleges in Contra Costa County, California - Contra Costa College, Diablo Valley College and Los Medanos College.  Headquarters office is located in the George R. Gordon Education Center in Martinez, California. Pleasant Hill/Contra Costa Centre is a Bay Area Rapid Transit station serving the Contra Costa Centre Transit Village in Contra Costa Centre, California, just north of Walnut Creek and just east of Pleasant Hill. The Bayport Container Terminal, or simply the Bayport Terminal, is a major deep water port in the Greater Houston area in Texas (United States).  This relatively new terminal, part of the Port of Houston, is designed to handle standardized cargo containers and offload the nearby Barbours Cut Terminal, which has no further room for expansion.  The Bayport Terminal is situated along the Bayport Ship Channel off Galveston Bay, between La Porte, Texas and Seabrook, Texas (adjacent to Shoreacres and El Jardin).  This channel itself feeds into to the larger Houston Ship Channel, which runs from Houston, through Galveston Bay, to the Gulf of Mexico.

Supporting sentences:
The Sacramento Deep Water Ship Channel (also known as Sacramento River Deep Water Ship Channel or SRDWSC) is a canal from the Port of Sacramento in West Sacramento, California to the Sacramento River, which flows into San Francisco Bay.  It was completed by the United States Army Corps of Engineers in 1963. The Contra Costa Canal is a 47 mi aqueduct in the U.S. state of California.  Its construction began in 1937, with delayed completion until 1948 due to World War II shortages in labor and materials.