Question: In the 1977 European Cup Winners' Cup Final, what team played against the only team that has played in every season of the Bundesliga?

<P0-S0> Hamburger Sport-Verein e.V. ] , commonly known as Hamburger SV, Hamburg or HSV ] , is a German sport club based in Hamburg, its largest branch being its football department. <P0-S1>  It is the only team that has played in every season of the Bundesliga since its foundation in 1963, at which time the team was led by German national captain Uwe Seeler. <P0-S2>  Although the current HSV was founded in June 1919 from a merger of three earlier clubs, it officially traces its origin to 29 September 1887 when the first of the predecessors, SC Germania, was founded. <P0-S3>  HSV's football team has the unique distinction of having played continuously in the top tier of the German football league system since the end of World War I. <SEP> <P1-S0> Rosenborg Ballklub is an association football club from Trondheim, Norway. <P1-S1>  The team has participated in 32 seasons of Union of European Football Associations (UEFA) club competitions, including 21 seasons in the European Cup and Champions League, 16 seasons in the UEFA Cup and Europa League, one season in the Cup Winners' Cup and one season in the Intertoto Cup. <P1-S2>  Rosenborg has played six times in the UEFA Cup after qualifying via the Champions League and once via the Intertoto Cup. <P1-S3>  It has played 206 UEFA games, resulting in 81 wins, 39 draws and 86 defeats. <P1-S4>  The club's first appearance was in the 1965–66 European Cup Winners' Cup, and it subsequently entered tournaments in six seasons until 1974–75. <P1-S5>  The club's next appearance was in the 1986–87 European Cup, and then in the 1989–90 European Cup. <P1-S6>  Since then, Rosenborg has been involved in a UEFA tournament every season except the 2006–07 season. <P1-S7>  The club's best performance is reaching the quarter-finals of the 1996–97 Champions League, while their only European trophy came when they co-won the 2008 UEFA Intertoto Cup. <SEP> <P2-S0> The 1961 European Cup Winners' Cup Final was a football match contested between Fiorentina of Italy and Rangers of Scotland. <P2-S1>  It was the final of the 1960–61 European Cup Winners' Cup the first UEFA Cup Winners' Cup final. <P2-S2>  It was the only time that the final was played over two legs. <P2-S3>  The first leg was played at Ibrox Stadium, Glasgow and the second leg at the Stadio Comunale in Florence. <P2-S4>  It was Rangers first European final and in doing so became the first British team to reach the final of a European football competition. <P2-S5>  It was Fiorentina's second European final having previously reached the 1957 European Cup final. <SEP> <P3-S0>  It was the final match of the 1976–77 European Cup Winners' Cup tournament and the 17th European Cup Winners' Cup Final in all. <P3-S1> The 1977 European Cup Winners' Cup Final was a football match contested between Hamburg of West Germany and the defending champions, Anderlecht of Belgium. <P3-S2>  The final was held at Olympisch Stadion in Amsterdam, Netherlands (the venue was decided in Bern by the UEFA Executive Committee on 17 September 1976). <P3-S3>  Hamburg won the match 2–0 thanks to goals by Georg Volkert and Felix Magath.