Question: Patrick John Hillery, was an Irish politician and the sixth President of Ireland from 1976 until 1990, first elected at the 1951 general election as what, The Republican Party, a political party in Ireland?
Context: Patrick John Hillery (Irish: "Pádraig J. Ó hIrghile" ; 2 May 1923 – 12 April 2008) was an Irish politician and the sixth President of Ireland from 1976 until 1990.  First elected at the 1951 general election as a Fianna Fáil Teachta Dála (TD) for Clare, he remained in Dáil Éireann until 1973.  During this time he served as Minister for Education (1959–1965), Minister for Industry and Commerce (1965–1966), Minister for Labour (1966–1969) and Minister for Foreign Affairs (1969–1973).  In 1973 he was appointed Ireland's first European Commissioner, serving until 1976 when he became President.  He served two terms in the presidency, and, though widely seen as a somewhat lacklustre President, he was credited with bringing stability and dignity to the office, and he won widespread admiration when it emerged that he had withstood political pressure from his own Fianna Fáil party during a political crisis in 1982. Michael Óg McFadden (1885 – 27 August 1958) was an Irish Fine Gael politician.  A merchant and auctioneer, he was first elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (TD) for the Donegal constituency at the June 1927 general election.  He was re-elected at the September 1927 general election but lost his seat at the 1932 general election.  He re-gained his seat at the 1933 general election and was re-elected at each subsequent election until he lost his seat again at the 1951 general election.  At the 1951 Seanad election, he was elected to the 7th Seanad on the Agricultural Panel.  He lost his seat at the 1954 Seanad election. Patrick J. Gorry (14 July 1896 – 23 October 1965) was an Irish Fianna Fáil politician.  A farmer, he was first elected to Dáil Éireann as a Fianna Fáil Teachta Dála (TD) for the Leix–Offaly constituency at the September 1927 general election.  He was re-elected at the 1932 general election but lost his seat at the 1933 general election.  He re-gained his seat at the 1937 general election and was re-elected at each subsequent general election until he lost his seat at the 1951 general election.  He was elected to the 7th Seanad in 1951 on the Agricultural Panel.  He was defeated at the 1954 Seanad election. Nicholas Wall (6 August 1884 – 3 December 1939) was an Irish politician and farmer.  He was first elected to Dáil Éireann at the 1923 general election as a Farmers' Party Teachta Dála (TD) for the Waterford constituency.  He lost his seat at the June 1927 general election and was also an unsuccessful candidate at the September 1927 general election.  He was elected as a National Centre Party TD at the 1933 general election.  He became a Fine Gael TD on 8 September 1933 when Cumann na nGaedheal and the National Centre Party, along with the Army Comrades Association merged to form the new party of Fine Gael.  He was elected as a Fine Gael TD at the 1937 general election but lost his seat at the 1938 general election. Alfred Patrick Byrne (1913 – 26 July 1952) was an Irish politician.  A clerk by profession, he was first elected to Dáil Éireann as an independent Teachta Dála (TD) for Dublin North-West at the 1937 general election.  He was re-elected at the 1938 and 1943 general elections but lost his seat at the 1944 general election.  He re-gained his seat at the 1948 general election and was re-elected at the 1951 general election.  He died in 1952 and the subsequent by-election on 12 November 1952 was won by his brother Thomas Byrne. Robert Ryan (1882 – 23 April 1952) was an Irish politician and farmer.  He was first elected to Dáil Éireann as a Fianna Fáil Teachta Dála (TD) for the Limerick constituency at the 1932 general election.  He was re-elected at each subsequent general election until he lost his seat at the 1951 general election. Laurence Joseph Walsh (1 August 1883 – 11 August 1962) was an Irish Fianna Fáil politician.  A farmer and merchant, he was first elected to Dáil Éireann as a Fianna Fáil Teachta Dála (TD) for the Louth constituency at the 1937 general election.  He was re-elected at the 1938 general election but lost his seat at the 1943 general election.  He regained his seat at the 1944 general election but was again defeated at the 1948 general election.  He was once more re-elected at the 1951 general election but lost his seat again at the 1954 general election.  In 1957 he was nominated by the Taoiseach to the 9th Seanad.  Walsh was also Mayor of Drogheda, and a member of the Irish Volunteers, participating in the 1916 Easter Rising.  He retired from politics in 1961. Fianna Fáil ( ; ] ); English: "Soldiers of Destiny" or "Warriors of Fál" ), officially Fianna Fáil – The Republican Party (Irish: "Fianna Fáil – An Páirtí Poblachtach" ) is a political party in Ireland. Patrick Desmond Lehane (died 1 July 1976) was an Irish politician.  A farmer by profession, he was an unsuccessful candidate at the 1943 and 1944 general elections for the Cork South-East constituency.  He first elected to Dáil Éireann at the 1948 general election as a Clann na Talmhan Teachta Dála (TD) for the Cork South constituency.  He was re-elected at the 1951 general election as an independent TD but lost his seat at the 1954 general election. James Coburn (13 April 1889 – 5 December 1953), also known as "The Juker" Coburn, was an Irish politician.  A builders foreman, he was first elected to Dáil Éireann as a National League Party Teachta Dála (TD) for the Louth constituency at the June 1927 general election.  He was re-elected at the September 1927 general election but became an independent TD in July 1931 following the disbandment of the National League Party.  He was re-elected as an independent TD at the 1932 and 1933 general elections.  At the 1937 general election he was re-elected as a Fine Gael TD for Louth.  He was re-elected at each general election until the 1951 general election.  His background as a builder led to Fianna Fáil supporters disrupting Coburn's rallies at election time by singing "A mason once again" to the tune of the Fine Gael anthem A Nation Once Again.  He died during the 14th Dáil and the subsequent by-election on 3 March 1954 was won by his son George Coburn.
Answer: Fianna Fáil