Question: What 134 member organization did Silas Blackman serve in?

Context paragraphs:
Silas Blackman: Silas Blackman (1835—1926), also described as Silas Blackmun, was a state representative for Minnesota's 8th district serving Cottonwood and Watonwan counties.  He was born in New York in 1835 and died in 1926.  He served in the Minnesota House of Representatives' 23rd and 24th legislative sessions from 1883 to 1887.  He was succeeded by William R. Estes.  Blackman came to Minnesota in 1863 and was a resident of Selma Township when he was elected in 1882.

International Military Sports Council: The International Military Sports Council (IMSC) or Conseil International du Sport Militaire (CISM), established 1948, is one of the largest multidisciplinary organisations in the world.  CISM is the second largest multi-sport discipline organization after the International Olympic Committee, holding more than 20 competitions annually.  Soldiers, who may previously have met on the battlefield, now meet on the sports playing field.  It organises various sporting events, including the Military World Games and World Military Championships for the armed forces of 134 member countries.  The aim of CISM is to promote sport activity and physical education between armed forces as a means to foster world peace.  The motto of CISM is "Friendship through Sport" and is based on three pillars of sport, education and solidarity.  This is in accordance with the philosophy and the ideals which were set in CISM’s mission statement in 1998, signed by all the member countries.

University Council for Educational Administration: The University Council for Educational Administration (UCEA) is a leading nonprofit, research-oriented, institutional-only member organization dedicated to improving the profession of educational administration.  The organization was founded at Columbia University in the City of New York in 1954 by a group of fifteen universities concerned about the advancing the quality of educational leadership professionals and the state of the field.  Today, membership includes almost 100 member schools, mostly from the United States, but also universities in Australia and Hong Kong.  Many of the public universities in the Association of American Universities are also members of the UCEA.  The organization is also notable for publishing the "Educational Administrative Quarterly", one of the leading research journals dedicated to educational administration.

Democratic Front for the Liberation of Palestine: The Democratic Front for the Liberation of Palestine (DFLP) (Arabic: 'الجبهة الديموقراطية لتحرير فلسطين', transliterated "Al-Jabha al-Dimuqratiya Li-Tahrir Filastin") is a Palestinian Marxist–Leninist, secular political and militant organization.  It is also frequently referred to as the Democratic Front, or al-Jabha al-Dimuqratiyah (الجبهة الديموقراطية).  It is a member organization of the Palestine Liberation Organization.

Ultratop: Ultratop is an organization which generates and publishes the official record charts in Belgium, and it is also the name of most of those charts.  Ultratop is a non-profit organization, created on the initiative of the Belgian Entertainment Association (BEA), the Belgian member organization of the International Federation of the Phonographic Industry.  Two parallel set of charts are concurrently produced and published, one on behalf of Belgium's Dutch-speaking Flanders region, and the other catering to the nation's French-speaking region of Wallonia.

Diabetes NSW &amp; ACT: Diabetes NSW & ACT is a charitable organization for New South Wales (NSW) and the Australian Capital Territory (ACT) that assists people living with or at risk of diabetes, and their carers.  It is a member organization of Diabetes Australia and is Australia's oldest and largest diabetes organization.

Group of 77: The Group of 77 (G77) at the United Nations is a coalition of developing nations, designed to promote its members' collective economic interests and create an enhanced joint negotiating capacity in the United Nations.  There were 77 founding members of the organization, but by November 2013 the organization had since expanded to 134 member countries.  Since China participates in the G77 but does not consider itself to be a member, all official statements are issued in the name of The Group of 77 and China.

Humanist Canada: Humanist Canada (also known as the Humanist Association of Canada, or HAC) is a national not-for-profit charitable organization promoting the separation of religion from public policy and fostering the development of reason, compassion and critical thinking for all Canadians through secular education and community support.  Founded in 1968 as a small lobby group, Humanist Canada is an associate member organization of the International Humanist and Ethical Union.  The official symbol of the organization is a modified Happy Human; a white Happy Human against a red maple leaf.

Minnesota House of Representatives: The Minnesota House of Representatives is the lower house of the Legislature of the U.S. state of Minnesota.  There are 134 members, twice as many as the Minnesota Senate.  Floor sessions are held in the north wing of the State Capitol in Saint Paul.

Association for Iron and Steel Technology: The Association for Iron and Steel Technology (AIST) is a non-profit professional organization focused on promoting the international iron and steel industry through networking and education.  The AIST has over 17,500 members in over 70 countries, though the majority of its members are from North America, reflecting its historical link to the American Steel industry.  The AIST was formed from a merger from two older organizations, the Association of Iron and Steel Engineers and the Iron and Steel Society in 2004.  AIST is a member organization of the American Institute of Mining, Metallurgical, and Petroleum Engineers (AIME).  The head office of the organization is in Warrendale, Pennsylvania.  From these offices is published the monthly Iron and Steel Technology magazine.  The Association also runs an international conference each year called AISTech.  AIST also offers training courses and local events organized by its various member chapters and technical committees.

Supporting paragraphs: Silas Blackman Minnesota House of Representatives
Answer: Minnesota House of Representatives