Question: What historic province of Ireland is home to the 2017 Antrim Senior Football Championship and County Antrim?

Context paragraphs:
2017 Antrim Senior Hurling Championship: The 2017 Antrim Senior Hurling Championship is the 117th staging of the Antrim Senior Hurling Championship since its establishment by the Antrim County Board in 1901.

2012 Connacht Senior Football Championship: The 2012 Connacht Senior Football Championship was that year's installment of the annual Connacht Senior Football Championship held under the auspices of the Connacht GAA.  It was won by Mayo who defeated Sligo in the final.  This was Mayo's 43rd Connacht senior title.  Mayo were drawn at home with London or Leitrim in their semi-final, while Sligo's route was the harder—playing away to New York and overcoming Galway in their semi-final, only to fall at the final hurdle once again.  The winning Mayo team received the J. J. Nestor Cup, and automatically advanced to the quarter-final stage of the 2012 All-Ireland Senior Football Championship.  Sligo entered the All-Ireland Qualifiers but soon exited, with a tame 0-13 - 0-04 defeat by Kildare in their next game.  Kildare were subsequently overhauled in their next game by Cork (2-19 - 0-12) and Cork in their next game by Donegal (0-16 - 1-11), who defeated Connacht champions Mayo with ease in the 2012 All-Ireland Senior Football Championship Final.

2017 Antrim Senior Football Championship: The 2017 Antrim Senior Football Championship is the 116th official edition of Antrim GAA's premier club gaelic football tournament for senior clubs in County Antrim.  The tournament consists of 13 teams with the winner representing Antrim in the Ulster Senior Club Football Championship.  The championship has a straight knock-out format.

Antrim Senior Football Championship: The Antrim Senior Football Championship is an annual Gaelic Athletic Association competition between the top gaelic football clubs in Antrim GAA.  The winners of the championship represent Antrim in the Ulster Senior Club Football Championship.

Gaeil Colmcille CLG: Gaeil Colmcille CLG is a Gaelic Athletic Association club located in the town of Kells, County Meath, Ireland.  The club competes in Meath GAA competitions.  The club currently plays at senior level in the Meath Senior Football Championship.  The club was founded in 1964 and had almost immediate success reaching the Meath Senior Football final in 1964 but lost by 3 points to Kilbride GFC.  In 1966 the club won the Meath Senior Football Championship for the first time and then again in 1968.  It has won the Senior Football Championship three times, most recently in 1991, and the Meath Intermediate Hurling Championship four times, most recently in 2008.

Ballycastle McQuillan GAC: McQuillan GAC Ballycastle (Irish: MacUílín CLG Baile an Chaisleáin) is a Gaelic Athletic Association club located in the town of Ballycastle in County Antrim, Northern Ireland.  The club is affiliated with the Antrim county board.  The club participates in both hurling and Gaelic football but is known primarily for its hurling successes.  They play their home matches at Páirc Mac Uílín which has also hosted the Antrim Senior Hurlers in recent years due to the ongoing redevelopment of Casement Park.  The Senior Hurling team is sponsored by Waste Not Ireland and the Senior Gaelic Football team is sponsored by McCurdy Surveying.  Both are local businesses in the town.

2016 Antrim Senior Football Championship: The 2016 Antrim Senior Football Championship is the 115th official edition of Antrim GAA's premier club gaelic football tournament for senior clubs in County Antrim.  The tournament consists of 12 teams with the winner representing Antrim in the Ulster Senior Club Football Championship.  The championship has a straight knock-out format.

County Antrim: County Antrim (named after the town of Antrim, from Irish: "Aontroim" , meaning "lone ridge" , )) is one of six counties that form Northern Ireland.  Adjoined to the north-east shore of Lough Neagh, the county covers an area of 3046 km2 and has a population of about 618,000.  County Antrim has a population density of 203 people per square kilometer / 526 people per square mile.  It is also one of the thirty-two traditional counties of Ireland, as well as part of the historic province of Ulster.

Cork Senior Football Championship: The Cork Senior Football Championship (currently known for sponsorship reasons as the Evening Echo Cork Senior Football Championship) is an annual Gaelic Athletic Association competition between the top Gaelic football clubs in County Cork, Ireland.  The winners of the Cork Championship qualify to represent their county in the Munster Senior Club Football Championship, the winners of which progress to the All-Ireland Senior Club Football Championship.  The current senior football champions are Carbery Rangers who defeated Ballincollig in the 2016 final.

2009 Ulster Senior Football Championship: The 2009 Ulster Senior Football Championship was the 121st installment of the annual Ulster Senior Football Championship held under the auspices of the Ulster GAA.  It was won by Tyrone who defeated Antrim in the final.  Antrim were appearing in their first final since 1970.  The winning Tyrone team received the Anglo-Celt Cup, and automatically advanced to the quarter-final stage of the 2009 All-Ireland Senior Football Championship.

Supporting paragraphs: 2017 Antrim Senior Football Championship County Antrim
Answer: Ulster