Question: In what year was the politician who defeated Ed Case in the 2006 Democratic Senate primary born? 

Context articles: Daniel Akaka
Alvin Greene
Irene Griffin
Bob Hogue
Jim Hansen (Idaho politician)
Ed Case
John A. Giannetti, Jr.
Lee Harris (politician)
John Orman
Ty Harrell

Daniel Kahikina Akaka ( ; born September 11, 1924) is an American educator and politician who was a United States Senator from Hawaii from 1990 to 2013.
 A member of the Democratic Party, Akaka was the first U.S. Senator of Native Hawaiian ancestry.
Alvin Michael Greene (born August 30, 1977) is an American political candidate from the state of South Carolina.
 He was the Democratic Party's nominee in the 2010 United States Senate election in South Carolina.
 He was defeated by incumbent Republican Sen. Jim DeMint by a margin of 61.46% to 27.65%, with most of the remaining votes going to Green Party candidate and environmental activist Tom Clements.
 He was the first African-American to be nominated for U.S. Senate by a major party in South Carolina.
 In the general election, Greene faced DeMint, Green Party candidate Tom Clements and write-in candidates Nathalie Dupree and Mazie Ferguson.
 Greene won the Democratic primary race against candidate Vic Rawl on June 8, 2010, with 59% of the vote, despite very limited campaigning and campaign spending, and having no website and no yard signs.
 The executive committee of the South Carolina Democratic Party voted 55 to 10 to reject Rawl's request for a new Senate primary after questions were raised about Greene's surprise victory.
Irene T. Griffin (July 25, 1899 – April 1983) was an American Republican Party politician who served in the New Jersey General Assembly.
 She served one year in the Legislature, but became a bit of a perennial candidate, losing three races for the Assembly, two for the Senate, and one for Congress.
 Griffin first ran for the State Assembly in 1942, but lost the Republican primary to future U.S. Senator Clifford P. Case, future State Senator Kenneth Hand, and two others.
 When Case ran for Congress in 1944, Griffin ran again and won the nomination and the election.
 She did run for a second term in 1945, but sought the Republican nomination for State Senator in 1947, losing to hand in the primary.
 She ran again for Assembly in 1951, but lost the primary to incumbent Florence P. Dwyer.
 She again challenged Dwyer in 1956, this time in a primary for the U.S. House of Representatives; she lost and Dwyer went on to unseat an incumbent in the general election.
 She ran for the Assembly in 1957, upsetting the frontrunner, Nelson Stamler in the Republican primary.
 She lost the General Election to Democrat Mildred Barry Hughes.
 Griffin lost a State Senate primary in 1962 to Stamler, who had since been elected Assemblyman.
 In 1967, she lost a Republican primary for State Assembly to Hugo Pfaltz and Peter J. McDonough by a 2-1 margin.
Robert Charles Hogue (born September 7, 1953) is an American athletic conference commissioner, author and columnist, sportscaster, and a former Republican member of the Hawaii State Senate representing the 24th district (Kailua-Kaneohe) for six years (2000–2006).
 Hogue was the Republican nominee for U.S. Congress in Hawaii's 2nd congressional district, to replace Ed Case but lost in the 2006 general election to former Lieutenant Governor Mazie Hirono.
 He is currently the commissioner of the Pacific West Conference, a position he had held since 2007.
James Duncan Hansen (born November 5, 1959) is an American attorney, Ada County Highway District Commissioner and former Democratic politician from Idaho.
 He was the 2006 Democratic nominee for Congress in Idaho's 2nd district, but was defeated by four-term incumbent Mike Simpson.
Edward Espenett "Ed" Case (born September 27, 1952) is an American Democratic politician who represented Hawaii in the United States House of Representatives from 2002 to 2007.
 Case, a Blue Dog Democrat, first came to prominence in Hawaii as majority leader of the Hawaii State Legislature and for his campaign for Governor of Hawaii in 2002.
 First elected to the House of Representatives in 2002 in a special election to fill the seat of Patsy Mink, who died of pneumonia, Case represented Hawaii's 2nd congressional district until 2006, when he chose not to run for another term in the House of Representatives so he could challenge Senator Daniel Akaka in the Democratic primary for Akaka's U.S. Senate seat.
 Case lost the primary election 53%–46%.
John A. Giannetti, Jr. (born June 9, 1964) is an American politician and attorney from Maryland.
 As a Democrat, Giannetti was elected to the Maryland House of Delegates in 1998 for District 13B and served from 1999 to 2003.
 In 2002 he was elected into the State Senate for District 21, which covers parts of Anne Arundel County and Prince George's County.
 He was defeated in the 2006 Democratic primary and general elections by former member of the Maryland House of Delegates and U.S. Ambassador to Romania James Rosapepe.
Lee Ardrey Harris (born August 1978) is a law professor who currently serves as a TN State Senator, representing Tennessee's 29th district.
 Prior to his election to the state Senate, Harris served on the Memphis City Council, representing District 7.
 He was born and raised in Memphis, and studied at Morehouse College, followed by Yale Law School.
 In 2014 he was elected to the Tennessee Senate replacing Ophelia Ford.
 He was elected in November 2014 by the Democratic Senate Caucus of the Tennessee State Senate to the leadership position of Senate Minority Leader.
 He is the first black lawmaker of either party to hold a leadership position in the Tennessee State Senate.
John Michael Orman (January 3, 1949 – July 5, 2009) was a politics professor at Fairfield University in Fairfield, Connecticut.
 He was the 1984 Democratic Party nominee for the U.S. Congress seat in Connecticut's fourth district, and briefly challenged Senator Joseph Lieberman for the 2006 Democratic Senate nomination.
 As of 2007, Orman was one of two people claiming to be the current chairman of the Connecticut for Lieberman Party.
 He was born in Brazil, Indiana.
Warren Tyrone (Ty) Harrell (born February 6, 1970, in Newark, New Jersey) is a former Democratic member of the North Carolina General Assembly representing the state's 41st House district in western Wake County.
 He defeated Chris Mintz in the 2006 Democratic primary, and incumbent J. Russell Capps in the 2006 general election.