Question: The Marais des Cygnes River is referenced in the song "The River" by an artist born in what year?

Context paragraphs:
Marais des Cygnes National Wildlife Refuge: Marais des Cygnes National Wildlife Refuge (NWR) is located 39 miles (63 km) south of the Kansas City metropolitan area, along the Marais des Cygnes River in Linn County.  The 7,500 acre (30 km) Refuge was established in 1992 to protect one of the northwestern-most examples of bottomland hardwood forest in the United States as well as the largest contiguous tract of bottomland hardwood forest in Kansas.  "Marais des Cygnes" means "marsh of swans" in French.

Marais des Cygnes Valley High School: Marais des Cygnes Valley High School is a fully accredited public high school located in Melvern, Kansas, in the Marais des Cygnes Valley USD 456 school district, serving students in grades 6-12.  Marais des Cygnes Valley has an enrollment of approximately 108 students.  The principal is Thad Thurston.  The school mascot is the Trojans and the school colors are orange and blue.

Papinville Marais des Cygnes River Bridge: Papinville Marais des Cygnes River Bridge, is a historic Pinned Pratt through truss located at Papinville, Bates County, Missouri.  It was built in 1884 by the Kansas City Bridge and Iron Co. and spans the Marais des Cygnes River.  It is a three span bridge with a central Pratt truss measuring 116 feet and two connected Warren-pony truss spans.  It rests on stone abutments with concrete and steel piers and measures a total 234 feet long.

Walnut Creek (Marais des Cygnes River): Walnut Creek is a stream in the U.S. states of Kansas and Missouri.  It is a tributary of the Marais des Cygnes River.

Sycamore Branch: Sycamore Branch is a stream in Bates County in the U.S. state of Missouri.  It is a tributary of the Marais des Cygnes River.

Marais des Cygnes Massacre Site: The Marais des Cygnes Massacre Site, also known as Marais des Cygnes Massacre Memorial Park, is listed on the National Register of Historic Places and is a U.S. National Historic Landmark.

Chely Wright: Richell Rene "Chely" Wright ( ; born October 25, 1970) is an American country music singer.  On the strength of her debut album in 1994, the Academy of Country Music (ACM) named her Top New Female Vocalist in 1995.  Wright's first Top 40 country hit came in 1997 with "Shut Up and Drive".  Two years later, her fourth album yielded a number one single, the title track, "Single White Female".  Overall, Wright has released seven studio albums on various labels, and has charted more than fifteen singles on the country charts.  As of May 2010, Wright's previous eight albums and 19 singles released had sold over 1,500,000 copies in the United States.  In May 2010, Wright became one of the first major country music performers to publicly come out as lesbian.  In television appearances and an autobiography, she cited among her reasons for publicizing her homosexuality a concern with bullying and hate crimes toward gays, particularly gay teenagers, and the damage to her life caused by "lying and hiding".

Mulberry Creek (Marais des Cygnes River): Mulberry Creek is a stream in Bates County in the U.S. state of Missouri.  It is a tributary of the Marais des Cygnes River.

Marais des Cygnes River: The Marais des Cygnes River ( , , or ) is a principal tributary of the Osage River, about 217 mi long, in eastern Kansas and western Missouri in the United States.  Via the Osage and Missouri rivers, it is part of the watershed of the Mississippi River.  The name "Marais des Cygnes" means "Marsh of the Swans" in French (presumably in reference to the trumpeter swan which was historically common in the Midwest.)  The river is notorious for flash flooding.  The river is referenced in the song "The River" by Chely Wright.

La Cygne, Kansas: La Cygne (pronounced "luh SEEN") is a city situated along the Marais des Cygnes River in the northeast part of Linn County, located in East Central Kansas, in the Central United States.  As of the 2010 census, the city population was 1,149.  The city is named after the Marais des Cygnes River which is a French translation of an Osage appellation meaning "marsh of the swans".

Supporting paragraphs: Marais des Cygnes River Chely Wright
Answer: 1970