question: The younger brother of Harvey Jewell served as the national chairman for which American political party?
answer: Republican Party
context: Title: Frank E. Tolbert
  Passage: Frank Emmanuel Tolbert (February 3, 1910 – April 22, 1980) was a Liberian politician and brother of President William R. Tolbert, Jr. The oldest son of William R. Tolbert Sr., national chairman of the ruling True Whig Party, he grew up in Bensonville, attended Zion Praise Baptist Church, graduated from Liberia College, and became involved in politics relatively early in life.  As his family became more and more closely connected to the family of Supreme Court Justice William V.S. Tubman, Frank began to become prominent: when Tubman ran for President in 1943, he was rumoured to be Tubman's first choice for Vice President, although his younger brother William was eventually chosen, perhaps because of Frank's unpredictable moods and violent temper.
  Title: Independence Party of America
  Passage: The Independence Party of America (IPA) was a political party in the United States, founded on September 23, 2007 as a coalition of existing state parties bearing the Independence Party name.  Its National Chairman was Frank MacKay, chairman of the Independence Party of New York.  Dean Barkley, a former United States Senator and Independence Party of Minnesota activist, agreed to play an advisory role with the new party.
  Title: Marshall Jewell
  Passage: Marshall Jewell (October 20, 1825February 10, 1883) was a manufacturer, pioneer telegrapher, telephone entrepreneur, world traveler, and political figure who served as 44th and 46th Governor of Connecticut, the U.S. Minister to Russia, the 25th United States Postmaster General, and Republican Party National Chairman.  Jewell, distinguished for his fine "china" skin, grey eyes, and white eyebrows, was popularly known as the "Porcelain Man".  As Postmaster General, Jewell made reforms and was intent on cleaning up the Postal Service from internal corruption and profiteering.  Postmaster Jewell aided Secretary of the Treasury Benjamin H. Bristow shut down and prosecute the Whiskey Ring.  President Grant, however, became suspicious of Jewell's loyalty after Jewell fired a Boston postmaster over non payment of a surety bond and asked for his resignation.
  Title: Harvey Jewell
  Passage: Harvey Jewell (*May 26, 1820 – December 8, 1881) was a U.S. lawyer and politician who served as the Speaker of the Massachusetts House of Representatives from 1868 to 1871.  Jewell was born in Winchester, New Hampshire on May 26, 1820, the first of ten children born to Pliny and Emily Alexander Jewell.  His younger brother, Marshall Jewell (1825-1883) would later be elected Governor of Connecticut and would serve as President Grant's United States Postmaster General.
  Title: Donald Fowler
  Passage: Donald L. "Don" Fowler (born September 12, 1935) is an American political scientist, professor and political operative who served as National Chairman of the Democratic National Committee from 1995 to 1997, alongside Christopher J. Dodd as General Chairman during this same period.
  Title: Chen Changzhi
  Passage: Chen Changzhi (; born July 1945 in Hubei Province) is the national chairman of the China Democratic National Construction Association, a legally recognized non-Communist political party in China, and one of the Vice Chairmen of the Standing Committee of the National People's Congress of the People's Republic of China, having served in this capacity since 2008.
citations: Harvey Jewell Marshall Jewell