Question: How many UEFA Super Cup awards have been received by the team that has won the treble competitions twice?

Knowledge 1: List of UEFA club competition winners
Spanish side Real Madrid have won a record total of 22 titles in UEFA competitions, four more than Milan (Italy). The only team to have won every UEFA club competition is Juventus (Italy). They received The UEFA Plaque on 12 July 1988, in recognition of winning the three seasonal confederation trophies -- UEFA Cup in 1977, Cup Winners' Cup in 1984, and European Cup in 1985. Juventus then won their first Super Cup in 1984, their first Intercontinental Cup in 1985, and the Intertoto Cup in 1999. [SEP] Knowledge 2: FC Barcelona
Barcelona is one of three founding members of the Primera División that have never been relegated from the top division, along with Athletic Bilbao and Real Madrid. In 2009, Barcelona became the first Spanish club to win the continental treble consisting of La Liga, Copa del Rey, and the UEFA Champions League, and also became the first football club to win six out of six competitions in a single year, completing the sextuple in also winning the Spanish Super Cup, UEFA Super Cup and FIFA Club World Cup. In 2011, the club became European champions again and won five trophies. This Barcelona team, which reached a record six consecutive Champions League semi-finals and won 14 trophies in just four years under Pep Guardiola, is considered by some in the sport to be the greatest team of all time. In June 2015, Barcelona became the first European club in history to achieve the continental treble twice.
Knowledge 1: FC Barcelona
Barcelona is the only European club to have played continental football every season since 1955, and one of three clubs to have never been relegated from La Liga, along with Athletic Bilbao and Real Madrid. In 2009, Barcelona became the first club in Spain to win the treble consisting of La Liga, Copa del Rey, and the Champions League. That same year, it also became the first football club ever to win six out of six competitions in a single year, thus completing the sextuple, comprising the aforementioned treble and the Spanish Super Cup, UEFA Super Cup and FIFA Club World Cup. In the 2014–15 season, Barcelona won another historic treble, making them the first club in European football to win the treble twice. [SEP] Knowledge 2: List of UEFA club competition winners
Spanish side Real Madrid have won a record total of 21 titles in UEFA competitions, four more than Milan (Italy) and seven more than Barcelona (Spain). The only team to have won every UEFA club competition is Juventus (Italy). They received The UEFA Plaque on 12 July 1988, in recognition of winning the three seasonal confederation trophies -- UEFA Cup in 1977, Cup Winners' Cup in 1984, and European Cup in 1985. Juventus then won their first Super Cup in 1984, their first Intercontinental Cup in 1985, and the Intertoto Cup in 1999.
Knowledge 1: FC Barcelona
Barcelona won the treble in the 2014–2015 season, winning La Liga, Copa del Rey and UEFA Champions League titles, and became the first European team to have won the treble twice. On 17 May, the club clinched their 23rd La Liga title after defeating Atlético Madrid. This was Barcelona's seventh La Liga title in the last ten years. On 30 May, the club defeated Athletic Bilbao in the Copa del Rey final at Camp Nou. On 6 June, Barcelona won the UEFA Champions League final with a 3–1 win against Juventus, which completed the treble, the club's second in 6 years. Barcelona's attacking trio of Messi, Suárez and Neymar, dubbed MSN, scored 122 goals in all competitions, the most in a season for an attacking trio in Spanish football history. [SEP] Knowledge 2: List of UEFA club competition winners
Spanish side Real Madrid have won a record total of 21 titles in UEFA competitions, four more than Milan (Italy) and seven more than Barcelona (Spain). The only team to have won every UEFA club competition is Juventus (Italy). They received The UEFA Plaque on 12 July 1988, in recognition of winning the three seasonal confederation trophies -- UEFA Cup in 1977, Cup Winners' Cup in 1984, and European Cup in 1985. Juventus then won their first Super Cup in 1984, their first Intercontinental Cup in 1985, and the Intertoto Cup in 1999.

Answer: five