Question: When was the U.S. politician from Oregon born to challenge whom the Oregon Citizens Alliance was founded?

Context paragraphs:
Craig Berkman: Craig L. Berkman (born August 12, 1941) is an American venture capitalist and a Republican politician in the U.S. state of Oregon.  He was known as a major donor in national Republican circles.  He chaired the Oregon Republican Party in the early 1990s, opposing the far right Oregon Citizens Alliance.  He ran for chairman of the Republican National Committee in 1993 and for Governor of Oregon in 1996, losing the former race to Haley Barbour and the latter to Denny Smith in the primary election.

Digital Citizens Alliance: The Digital Citizens Alliance is a United States non-profit organization focused on Internet safety issues.  It releases reports focused on malware, credit card theft, online drug sales to teens, piracy and overall Internet consumer safety.  It has criticized Google for not systematically removing videos from YouTube that are used to perpetrate fraud or provide instructions for buying drugs.  In 2014 a debate was prompted by leaked Sony emails about the organization's role in thwarting piracy.  DCA reports and work have been showcased on ABC News, the New York Times, Fox News, the Los Angeles Times, the Washington Post, the Wall Street Journal and numerous other publications.  In 2016 and 2017 Digital Citizens worked with state attorneys general on PSAs to warn consumers about new malware risks from pirate websites.

Citizens' Alliance (Trinidad and Tobago): Citizens Alliance attempted to position itself as a multi-racial alternative to the two dominant political parties, the People's National Movement and the United National Congress.

George M. Brown: George M. Brown (1864–1934) was an American attorney and judge in the state of Oregon.  He was the 50th Associate Justice of the Oregon Supreme Court and the 5th attorney general of the state from 1915 to 1920.  An Oregon born and educated attorney, he previously worked as a district attorney in Southern Oregon.

Bob Packwood: Robert William Packwood (born September 11, 1932) is a U.S. politician from Oregon and a member of the Republican Party.  He resigned from the United States Senate, under threat of expulsion, in 1995 after allegations of sexual harassment, abuse and assault of women emerged.

Oregon Citizens Alliance: The Oregon Citizens Alliance (OCA) was a conservative Christian political activist organization, founded by Lon Mabon in the U.S. state of Oregon.  It was founded in 1986 as a vehicle to challenge then–U.S. Senator Bob Packwood in the Republican primaries,

Scott Lively: Scott Douglas Lively (born December 14, 1957) is an American activist, author, attorney, and was an independent candidate for Governor of Massachusetts in the 2014 election.  He is the president of Abiding Truth Ministries, a conservative Christian organization based in Temecula, California.  He is a cofounder of Watchmen on the Walls, an international evangelical ministry based in Riga, Latvia that describes itself as "the international Christian movement that unites Christian leaders, Christian and social organizations and aims to protect Christian morals and values in society."  He was the state director of the California branch of the American Family Association and a spokesman for the Oregon Citizens Alliance.

Charles Goodall Lee: Dr. Charles Goodall Lee (1881 – 1973) was an American dentist, and the first licensed Chinese American dentist in California.  Lee financed the building of the Chinese American Citizens Alliance lodge in Oakland, California.

Chinese American Citizens Alliance: C.A.C.A. was originally named the "Native Sons of the Golden State" (similar to the Native Sons of the Golden West) and changed to its present name in 1915 to reflect its national presence.  By that time, three lodges within California in Los Angeles (1914), San Francisco (1915), and Oakland (1917) were chartered as local lodges.  In the early 1920s, the building housing the national headquarters at 1044 Stockton Street in San Francisco was completed.  As interest for local lodges grew beyond the Golden State, the organization's name was changed to accommodate a national alliance, the Chinese American Citizens Alliance.

Guy Cordon: Guy F. Cordon (April 24, 1890June 8, 1969) was a U.S. politician and lawyer from the state of Oregon.  A native of Texas, he served in the Army during World War I and later was the district attorney of Douglas County in Southern Oregon.  A Republican, he was appointed and later won election to the United States Senate, serving in office from 1944 to 1955.

Supporting paragraphs: Oregon Citizens Alliance Bob Packwood
Answer: September 11, 1932