Question: What political party is the person who is commissioner of the Mississippi Public Service Commission a member of?

Context paragraphs:
Public Service Commission of Canada: The Public Service Commission of Canada (PSC) is an independent government agency that safeguards merit-based hiring, non-partisanship, representativeness of Canada's diversity and the use of both official languages (English and French) in the Canadian public service.  The PSC aims to protect the integrity of hiring and promotion within the public service.  As well, the Commission works to protect the political impartiality and non-partisanship of public servants.  The Commission develops staffing policies and provides guidance to public service managers and recruits Canadians into the public service.  To ensure the staffing system in the government is properly maintained, the PSC has the authority to audit and investigate to ensure departments and managers make improvements.  While typical government departments are headed by Ministers, the PSC is an independent agency that is headed by a President (currently Patrick Borbey) who reports to the Canadian Parliament.

Public Service Commission in India: Articles 315 to 323 in Part XIV of the Constitution of India provides for the establishment of Public Service Commission for the Union and a Public Service Commission for each State.  The same set of Articles (i.e., 315 to 323 in Part XIV) of the Constitution also deal with the composition, appointment and removal of members,power and functions and independence of a Public Service Commission.  Union Public Service Commission to conduct examinations for recruitment to all India services and higher Central services and to advise the President on disciplinary matters.  State Public Service Commission in every state to conduct examinations for recruitment to state services and to advise the governor on disciplinary matters.

Andhra Pradesh Public Service Commission: Andhra Pradesh Public Service Commission (APPSC) was formed when the state of Andhra Pradesh formed on 1 November 1956.  Earlier, the commission was known as the "Andhra Service Commission" (formed in 1953) which is based on the regulations of "Madras Public Service Commission".  Later in 1956, APPSC was formed by merging the Andhra and Hyderabad Public Service Commissions.

Mississippi Public Service Commission: The Mississippi Public Service Commission regulates telecommunications, electric, gas, water and sewer utilities in the U.S. state of Mississippi.  The Commission is an elected body of three commissioners, with one commissioner elected by voters in each of the state's three Supreme Court districts.  Commissioners are elected to four year terms in the general election of the same year that other state and county officials are chosen.  The current commissioners are Brandon Presley (Northern District), Cecil Brown (Central District) and Sam Britton (Southern District).  The commission is composed of two Democrats (Presley and Brown) and one Republican (Britton).

Cecil Brown (Mississippi politician): Cecil C. Brown (born June 22, 1944) is an American politician.  He was a member of the Mississippi House of Representatives from the 66th District, from 1999-2015.  He is a member of the Democratic Party.  He was elected to the Mississippi Public Service Commission in 2015.

Brandon Presley: Brandon E. Presley (born July 21, 1976) is an American politician and member of the Democratic Party who serves as the Commissioner for the Northern District of the Mississippi Public Service Commission.

Tamil Nadu Public Service Commission: The Tamil Nadu Public Service Commission (TNPSC) is a department of the government of Tamil Nadu that is responsible for governing the recruitment of personnel into the state's public service.  It is the successor of the Madras Service Commission, which came into being under an Act of the Madras Legislature in 1929 and was the first Provincial Public Service Commission in India.  It adopted its current name in 1970.  TNPSC operates under Articles 315 to 323 of Part XIV of the Constitution of India.

Mississippi general election, 2007: A general election was held in Mississippi on 6 November 2007 to elect to 4 year terms all members of the Mississippi State Legislature (122 representatives, 52 senators), the offices of Governor of Mississippi, Lieutenant Governor, Attorney General, State Treasurer, State Auditor, Secretary of State, Commissioner of Agriculture and Commerce, and Commissioner of Insurance, plus all three members of the Transportation Commission and all three members of the Mississippi Public Service Commission.

Terry L. Dunn: Terry L. Dunn (born 3 July 1959) was an Associate Commissioner on the Alabama Public Service Commission.  A native of Southside, Alabama, in Etowah County, Dunn was elected in November 2010, carrying 55% of the statewide vote.  In his successful bid to win Place 2 on the Alabama Public Service Commission, Dunn may have set a record for getting the most votes for the least amount of money.  He reportedly spent $8,000 in securing the Republican nomination in June and $9,000 to win the general election in November.  Of 99 percent of state's precincts reporting, Dunn received 791,487 votes to incumbent Susan Parker's 639,792.  As a member of the PSC, Dunn's duty was to serve the public interest by ensuring that financially sound electric, natural gas and telecommunications companies provide safe, reliable and quality utility services at reasonable rates for Alabamians.  Dunn is married to the former Alicia Horne, and they have one daughter, Andrea.

Australian Public Service: The Australian Public Service (APS) is the federal civil service of the Commonwealth of Australia responsible for the public administration, public policy, and public services of the departments and executive and statutory agencies of the Government of Australia.  The Australian Public Service was established at the Federation of Australia in 1901 as the Commonwealth Public Service and modeled on the Westminster system and United Kingdom's Civil Service.  The establishment and operation of the Australian Public Service is governed by the "Public Service Act 1999" of the Parliament of Australia as an "apolitical public service that is efficient and effective in serving the Government, the Parliament and the Australian public".  The conduct of Australian public servants is also governed by a Code of Conduct and guided by the APS Values set by the Australian Public Service Commission.

Supporting paragraphs: Mississippi Public Service Commission Brandon Presley
Answer: Democratic Party