Question: What football club has won 3 UFEA Super Cups, and has also employed Scottish footballer Hugh "Hughie" Clifford?

full_context: Document 1: List of Liverpool F.C. players (1–24 appearances): Liverpool Football Club is an English association football club based in Liverpool, Merseyside. The club was formed in 1892 following a disagreement between the board of Everton and club president John Houlding, who owned the club's ground, Anfield. The disagreement between the two parties over rent resulted in Everton moving to Goodison Park from Anfield, which left Houlding with an empty stadium. Thus, he founded Liverpool F.C. to play in the empty stadium. Liverpool won the First Division title for the first time in 1901; since then, the club has won a further 17 league titles, along with seven FA Cups and eight Football League Cups. They have also been crowned champions of European football on five occasions by winning the European Cup/UEFA Champions League in 1977, 1978, 1981, 1984 and 2005. The club was one of 22 members of the Premier League when it was formed in 1992. They experienced the most successful period in their history under the management of Bob Paisley, who guided the team to 21 trophies in nine seasons.
Document 2: Liverpool F.C. league record by opponent: Liverpool Football Club is an English association football club based in Liverpool, Merseyside, which competes in the top tier of English football, for the 2015–16 season. The club was formed in 1892 following a disagreement between the board of Everton and club president John Houlding, who owned the club's ground, Anfield. The dispute over rent resulted in Everton leaving Anfield for Goodison Park, which left Houlding with an empty stadium. Not content for his ground to lay idle, he created his own club: Liverpool. Liverpool joined the Lancashire League on their foundation before the 1892–93 season. They ended their inaugural season as league champions, and were elected to The Football League soon afterwards. The club remained in The Football League until 1992, when its First Division was superseded as English football's top level by the newly formed Premier League.
Document 3: List of Liverpool F.C. seasons: Liverpool Football Club is an English association football club based in Liverpool, Merseyside. The club was formed in 1892 following a disagreement between the board of Everton and club president John Houlding, who owned the club's ground, Anfield. The disagreement between the two parties over rent resulted in Everton moving to Goodison Park from Anfield, which left Houlding with an empty stadium. Thus, he founded Liverpool F.C. to play in the empty stadium. Liverpool won the First Division title for the first time in 1901; since then, the club has won a further seventeen league titles, along with seven FA Cups and eight Football League Cups. They have also been crowned champions of European football on five occasions by winning the European Cup/UEFA Champions League in 1977, 1978, 1981, 1984 and 2005. The club was one of 22 members of the Premier League when it was formed in 1992.
Document 4: Sammy Hughes (footballer): Sammy Hughes was a footballer who played in the Irish League with Glentoran in the 1950s. He signed from Larne in September 1949, He won two Irish League championships (1950/51 and 1952/53), one Irish Cup (1950/51), one Gold Cup, three City Cups and two Ulster Cups. He was capped eight times by the Irish League and scored five goals. He was the Ulster Footballer of the Year for the 1952/53 season. He later played for Larne and Carrick Rangers, winning the B Division title with the latter in 1961/62.
Document 5: Liverpool F.C.: Liverpool Football Club ( ) is a professional association football club based in Liverpool, Merseyside, England. They compete in the Premier League, the top tier of English football. The club has won an English record 5 European Cups, 3 UEFA Cups, 3 UEFA Super Cups, 18 League titles, 7 FA Cups, a record 8 League Cups, and 15 FA Community Shields.
Document 6: 1978–79 Liverpool F.C. season: Liverpool F.C. won its 11th league title, with a record-breaking season. They amassed a record points total of 68, with Kenny Dalglish and Graeme Souness as commanding influences in the team that had the highest goal scoring ratio under Bob Paisley's management. Defensively, Liverpool conceded only 16 goals (just four of them at Anfield) and goalkeeper Ray Clemence kept a total of 28 clean sheets in 42 League matches. Disappointing for Liverpool was the early exit of the European Cup, losing to domestic rivals Nottingham Forest in the inaugural round; Forest went on to win the European Cup along with the League Cup, and were proving to be Liverpool's most fierce competitors as the decade drew to a close. This ended Liverpool's chances of taking three European Cups in a row, an achievement only Real Madrid, Ajax and Bayern Munich have ever succeeded in doing.
Document 7: Hugh Kerr (footballer): Hugh Kerr (1882 – 10 April 1918) was a Scottish footballer. His regular position was as a forward. He played for Westerlea, Ayr, and Manchester United. Kerr joined Ayr from Westerlea in 1903, but only spent half a season there before joining Manchester United in January 1904. However, the Ayr officials were of the opinion that United had made an illegal, unofficial approach to sign Kerr, and an enquiry into the transfer was set up by the International Football Association Board (IFAB). Kerr made his Manchester United debut in a 2–1 defeat away to Blackpool on 9 March 1904, followed by another appearance in a 2–0 home win over Grimsby Town on 26 March. The IFAB found United innocent of any illicit contact with Kerr about a week later, but he was ultimately released at the end of the season.
Document 8: Ernie Hine: Ernest William "Ernie" Hine (9 April 1901 – 15 April 1974) was a professional footballer who played for Barnsley, Leicester City, Huddersfield Town and Manchester United.
Document 9: Celtic F.C.: The Celtic Football Club ( ) is a professional football club based in Glasgow, Scotland, which plays in the Scottish Premiership. The club was founded in 1887 with the purpose of alleviating poverty in the immigrant Irish population in the East End of Glasgow. They played their first match in May 1888, a friendly match against Rangers which Celtic won 5–2. Celtic established itself within Scottish football, winning six successive league titles during the first decade of the 20th century. The club enjoyed their greatest successes during the 1960s and 70s under Jock Stein when they won nine consecutive league titles and the European Cup.
Document 10: Hugh Moffat (footballer): Hugh Moffat (12 January 1885 – 1952) was an English professional footballer who played as a wing half. He won one cap for the England national football team, in the match against Wales on 17 March 1913.
Document 11: List of Liverpool F.C. players: Liverpool Football Club are an English professional association football club based in Liverpool, Merseyside, who currently play in the Premier League. They have played at their current home ground, Anfield, since their foundation in 1892. Liverpool entered the Lancashire League in their first season, winning the league. The club applied to The Football League, to become members of the Second Division in the following season, their application was accepted. Since that time the club's first team has competed in numerous nationally and internationally organised competitions. Since playing their first competitive match, more than 800 players have made a competitive first-team appearance for the club, of whom 200 players have made at least 100 appearances (including substitute appearances); those players are listed here.
Document 12: Hughie Clifford: Hugh "Hughie" Clifford (1866 – 1929) was a Scottish footballer, who played for Hibernian, Stoke, Celtic, Motherwell, Liverpool and Manchester City.
Document 13: Hughie Ferguson: Hugh "Hughie" Ferguson (2 March 1895 – 8 January 1930) was a Scottish footballer. One of only seven men in the history of the English and Scottish Football Leagues to have scored 350 League goals, he began his career at Motherwell and established himself as a consistent scorer, finishing as the top goalscorer in the Scottish Football League on three occasions between 1918 and 1921. His 284 league goals remains a record at the club.
Document 14: List of Liverpool F.C. managers: Liverpool Football Club is an English association football club based in Liverpool, Merseyside. The club was formed in 1892 following a disagreement between the board of Everton and club president John Houlding, who owned the club's ground, Anfield. The disagreement between the two parties over rent resulted in Everton with is the best moving to Goodison Park from Anfield, which left Houlding with no tenant. Thus, he founded Liverpool F.C. to play in the empty stadium. Liverpool won the First Division title for the first time in 1901; since then, the club has won a further 17 league titles, along with seven FA Cups and eight Football League Cups. They have also been crowned champions of European football on five occasions by winning the European Cup/UEFA Champions League in 1977, 1978, 1981, 1984 and 2005. The club was one of 22 members of the Premier League when it was formed in 1992.
Document 15: List of Celtic F.C. players: Celtic Football Club ( ) is a Scottish professional football club based in Parkhead, Glasgow. The club was founded in 1887 and played their first match in May 1888, a friendly match against Rangers. The club played their first competitive match in September 1888, when they entered the first round of the 1888–89 Scottish Cup. Since playing their first competitive match, more than 200 players have made at least 100 appearances (including substitute appearances); those players are listed here. Other players who have made fewer appearances are also included where they are regarded as having played a significant role for the club, with the reason for their inclusion indicated in the Notes column.
ground_truth: Liverpool Football Club