Question: What position does an English professional footballer play, who plays for a club that competes in the National League North , the sixth tier of the English football league system, and play their home matches at Broadhurst Park?

Context paragraphs:
F.C. United of Manchester: F.C. United of Manchester is a semi-professional football club based in Moston, Manchester, England.  The club competes in the National League North , the sixth tier of the English football league system, and play their home matches at Broadhurst Park.

Peebles Rovers F.C.: Peebles Rovers Football Club is a Scottish football club based in Peebles, Scottish Borders.  Founded in 1893, they play their home matches at Whitestone Park.  The club are members of the East of Scotland Football League (EoSFL), in the sixth tier of the Scottish football league system.  They were briefly members of the Scottish Football League, between 1923 and 1926.

A.F.C. Telford United: A.F.C. Telford United is a football club based in Telford, Shropshire, England.  The club were formed after Telford United folded due to financial problems.  Currently members of the National League North, the sixth tier of English football, they play home matches at the New Bucks Head in Wellington, part of the new town of Telford.  Their colours are white with navy blue and red trim.

National League South: The National League South, formerly Conference South (billed as The Vanarama National League South for sponsorship reasons), is one of the second divisions of the National League in England, taking its place immediately below the top division National League.  Along with National League North it is at the second level of the National League System, and at the sixth tier overall of the English football league system.

Steven Irwin: Steven Irwin (born 29 September 1990) is an English professional footballer who plays for FC United of Manchester, as a midfielder.

Southport F.C.: Southport Football Club is a semi-professional association football club based in Blowick, Southport, Merseyside.  They are currently members of the National League North, the sixth tier of English football, .  From 1921 to 1978 they were a Football League club.  They play their home matches at Haig Avenue, which has a capacity of 6,008.  They are known by their nickname "the Sandgrounders".

Gainsborough Trinity F.C.: Gainsborough Trinity Football Club is a football club based in Gainsborough, Lincolnshire, England.  Established in 1873, the club became members of the Football League in 1893 and remained members of the Second Division until 1912, making Gainsborough one of the smallest towns in England to have had a Football League team.  They are currently members of the National League North, the sixth tier of English football, and play at the Northolme.

List of Bristol Rovers F.C. players: Bristol Rovers Football Club is an English professional association football club based in Bristol, who play in Football League One, the Third tier of the English football league system, as of the 2016–17 season.  The club was formed in 1883 under the name Black Arabs F.C. playing their home games at Purdown in Bristol, but they used the name for only a single season, becoming Eastville Rovers and moving to a site known as Three Acres in 1884.  Eastville Rovers were somewhat nomadic, moving home in 1891 to the Schoolmaster's Cricket Ground, in 1892 to Durdham Down, and in 1894 to Ridgeway, before finally settling at Eastville Stadium and changing their name to Bristol Eastville Rovers in 1897.  Two years later they adopted their current name of Bristol Rovers when they became founder members of the Southern League.  They remained at Eastville Stadium for 99 years, before leaving in 1986 when financial pressures meant that they could no longer afford to pay the rent, whereupon they moved to Bath City's Twerton Park, a move that saved the club £30,000 a year.  After playing for ten years in Bath, the club returned to Bristol in 1997 when they agreed to share Bristol Rugby's Memorial Stadium.  Since joining The Football League in 1920, when the top division of the Southern League effectively became the Football League Third Division, Rovers have spent most of their time in the second and third tiers of the English football league system; the team has never played in the top flight and spent six years, 2001 to 2007, in the fourth tier.

National League North: The National League North, formerly Conference North (currently named the Vanarama National League North for sponsorship reasons), is a division of the National League in England, taking its place immediately below the top division National League.  Along with the National League South, it is at Step 2 of the National League System and the sixth overall tier of the English football league system.  It consists of teams located in Northern England, Norfolk, the English Midlands and North Wales.  From the start of the 2015–16 season, the league has been known as the National League North.  As part of a sponsorship deal with Vanarama, the National League North is now known as the Vanarama National League North.

Spennymoor Town F.C.: Spennymoor Town Football Club is an English football club based in Spennymoor, England and are currently playing in the National League North, the sixth tier of the English football league system.  The club began playing in the Northern League in 1931–32 as Evenwood Town, reaching the 1st round of the FA Cup in the 1956–57 season.  In 2005, the club merged with Spennymoor United, who earlier that year folded and collectively changed their name to Spennymoor Town.

Supporting paragraphs: Steven Irwin F.C. United of Manchester
Answer: midfielder