Question: What Italian former professional footballer and manager scored the winning shot in the 1999-2000 FA Cup?

Context paragraphs:
Peter Kennedy (footballer): Peter Kennedy (born 10 September 1973) was a Northern Irish football defender/midfielder.  He has three children, Annie, Olivia and Peter.  In 1995/96 he was named as the Ulster Footballer of the Year.  After his first spell in Northern Ireland he had a successful spell in English football, initially joining Notts County in August 1996 where he scored once against Newcastle Town in the FA Cup, before moving onto Watford a season later.  In his first season, he led Watford to promotion to Division One as their highest goalscorer.  He scored two goals in quick succession in the derby with Luton Town, a hat-trick against Southend United, and a splendid long-range effort against Sheffield Wednesday in the FA Cup.  The following season was arguably the highlight of his career as he helped Watford gain promotion to the Premier League in 1999.  In the Premier League, he scored Watford's first goal of the season, a penalty against Wimbledon.  He left Watford at the end of the 2000/01 campaign and spent three seasons at Wigan, spending a period on loan at Derby County where he scored once against Ipswich Town.  His final English club was Peterborough United, after which he returned to Northern Ireland.  At the end of the 2007–08 season Peter did not have his contract renewed by Portadown and left the club.  He began training with Ballymena United FC but decided to retire from his footballing career to focus on becoming an accountant.  After a year Peter came out of retirement and made a return to football by signing for Donegal Celtic FC who play in the IFA Championship.

List of Sunderland A.F.C. seasons: Sunderland Association Football Club was founded in 1879 as Sunderland & District Teachers Association Football Club by James Allan.  They turned professional in 1885.  Sunderland won their first Football League championship in the 1891–92 season two years after joining the league.  They won the next Football League First Division on three occasions in four seasons; in 1892, 1893 and 1895, separated by a runner-up spot in 1894.  In the 1901–02 season, Sunderland won their fifth Football League First Division championship.  They came close to completing the "league and cup double" in the 1912–13 season, winning the league but losing to Aston Villa in the 1913 FA Cup Final.  The team's next success came in the 1935–36 season when they won the League Championship and also the Charity Shield.  They had not won the FA Cup until the 1936–37 season when they defeated Preston North End in the 1937 FA Cup Final.  Sunderland entered The Football League in 1890 and were not relegated from the top division until the 1957–58 season; a total of 58 seasons in the highest division of England.  Their next trophy came in the 1973 FA Cup Final as they beat Leeds United 1–0.  They reached the 1985 Football League Cup Final but finished as runners-up to Norwich City after being beaten 1–0.  In the 1986–87 season Sunderland were relegated to the Football League Third Division for the first time in their history under the management of Lawrie McMenemy, they however, returned to the second division the following season as champions–their lowest position in the English football league system.  Their first appearance in the Premier League came in the 1999–2000 season after being promoted as champions from Division One.  In winning promotion the club gained 105 points, which was a record at the time.  Sunderland gained just 15 points in the 2005-06 season, which set the record for the lowest number of points in a Premier League season, which has since been eclipsed by Derby County.

2000 FA Cup Final: The 2000 FA Cup Final was the 119th final of the FA Cup, and the 72nd (excluding replays) and last to be played at the old Wembley Stadium.  It took place on 20 May 2000 and was contested between Chelsea and Aston Villa, the latter making its first FA Cup Final appearance since winning it in 1957.

Ron Guthrie: Ronald George "Ron" Guthrie (born 19 April 1944 in Burradon, Northumberland) is an English former professional footballer.  After signing for Newcastle United in 1963, he played 56 league matches, scoring 2 goals, before joining Sunderland on 15 January 1973.  A defender, he played at left back for Sunderland in the 1973 FA Cup Final winning team.  He left Sunderland, joining Ashington, in 1975 after three seasons.  Later joining near rivals Blyth Spartans Ron was part of the famous 'giant killing' team that reached the 5th round of the FA Cup in 1978 losing to Wrexham in a replay at St James Park watched by over 42,000 with thousands locked outside, but not after drawing a potential home tie against Arsenal in the Quarter Finals.

2000 FA Charity Shield: The 2000 FA Charity Shield (also known as the One 2 One FA Charity Shield for sponsorship reasons) was the 78th FA Charity Shield, an annual football match played between the winners of the previous season's Premier League and FA Cup competitions.  The match was played between Manchester United, who won the 1999–2000 Premier League, and Chelsea, who won the 1999–2000 FA Cup, and resulted in a 2–0 Chelsea win.  The goals were scored by Jimmy Floyd Hasselbaink and Mario Melchiot.  Roy Keane was sent off for a challenge on Gustavo Poyet and was the last person to be sent off at the old Wembley Stadium.

Roberto Di Matteo: Roberto Di Matteo (] ; born 29 May 1970) is an Italian former professional footballer and manager.

1999–2000 FA Cup: The 1999–2000 FA Cup was the 119th staging of the world's oldest cup competition, the Football Association Cup or FA Cup.  Both the semi-finals and final of the competition were played at Wembley Stadium for the last time before reconstruction work began.  The competition culminated with the FA Cup Final between Chelsea and Aston Villa.  The game was won by a goal from Chelsea's Roberto Di Matteo, giving them a 1-0 victory.

Charlie George: Charles Frederick George (born 10 October 1950) is an English former professional footballer who played as a striker or attacking midfielder.  He began his career as a youngster with Arsenal, was part of their 1970–71 League and FA Cup Double-winning team, and scored the winning goal in the FA Cup Final.  He left Arsenal in 1975 for Derby County.  After playing for Minnesota Kicks in the United States in 1978, George joined Southampton, where he spent three seasons, and had a brief loan spell with Nottingham Forest during which he won the 1979 European Super Cup.  He played for Bulova in Hong Kong before returning to England for short stints with A.F.C. Bournemouth and Derby County.  George made one appearance for the England national team, in 1976.

Norman Hobson: Norman Hobson (born 22 August 1933) is a former professional footballer who played as a right back for Shrewsbury Town.  Norman signed from Oswestry Town in October 1954 and spent 8 seasons at Shrewsbury, making 212 league appearances scoring 5 goals along with 10 FA Cup appearances, 2 league cup appearances with 1 goal.  He moved to the Telford-based Sankey's Football Club in January 1962.  In 1958/59 season he won promotion with Shrewsbury Town to 3rd tier of English football and played under legendary Town player manager Arthur Rowley.  His last appearance for Shrewsbury was on 7 January 1962 in a 1-1 away draw at Aldershot in the 3rd round of the FA Cup.  He also played a part in the Shrewsbury team that got to the League Cup semi final that same year.

1999–2000 FA Cup qualifying rounds: The 1999–2000 FA Cup Qualifying Rounds opened the 119th season of competition in England for 'The Football Association Challenge Cup' (FA Cup), the world's oldest association football single knockout competition.  A total of 558 clubs were accepted for the competition.

Supporting paragraphs: 1999–2000 FA Cup Roberto Di Matteo
Answer: Roberto Di Matteo