Question: Which team won the European Cup Final in which Helmut Winklhofer played ?

Context paragraphs:
1978 European Cup Final: The 1978 European Cup Final was an association football match between Liverpool of England and Club Brugge of Belgium on 10 May 1978 at Wembley Stadium, London, England (the venue was decided in Bern by the UEFA Executive Committee on 20 September 1977).  It was the final match of the 1977–78 season of Europe's premier cup competition, the European Cup.  Liverpool were the reigning champions and were appearing in their second European Cup final.  Club Brugge were appearing in their first European Cup final.  The two sides had met once before in European competition, when they contested the 1976 UEFA Cup Final, which Liverpool won 4–3 on aggregate.

1970 European Cup Winners' Cup Final: The 1970 European Cup Winners' Cup Final was a football match between Manchester City of England and Górnik Zabrze of Poland on 29 April 1970 at Prater Stadium in Vienna, Austria.  It was the final match of the 1969–70 European Cup Winners' Cup and the tenth European Cup Winners' Cup final.  Both sides made their first appearance in a European final.  Manchester City won the match 2–1 thanks to goals by Neil Young and Francis Lee.  The victory was City's only European trophy.

Helmut Winklhofer: Helmut Winklhofer (born 27 August 1961) is a former German footballer who played as a defender or midfielder for Bayer 04 Leverkusen and FC Bayern Munich.  He won four German titles and played in the 1987 European Cup Final before his career was cut short by injury in 1990.

1987 European Cup Final: The 1987 European Cup Final was a football match held at the Prater Stadium, Vienna, on 27 May 1987, that saw Porto of Portugal defeat Bayern Munich of West Germany 2–1.  Both sides were missing key players: the Portuguese were without their injured striker Fernando Gomes, while the Germans were missing their sweeper, and captain, Klaus Augenthaler, who was suspended, along with striker Roland Wohlfarth and midfield player Hans Dorfner, who were both injured.  The Portuguese side fought back from 1–0 down to win their first European Cup, with the goals coming from a back heel by Rabah Madjer and a volley from Juary, after a Ludwig Kögl header had given Bayern the lead in the first half.  The final was the first European Cup final that Bayern, and their captain Lothar Matthäus would lose to successive late goals, repeated 12 years later in the 1999 UEFA Champions League Final against Manchester United.

1961 European Cup Winners' Cup Final: The 1961 European Cup Winners' Cup Final was a football match contested between Fiorentina of Italy and Rangers of Scotland.  It was the final of the 1960–61 European Cup Winners' Cup the first UEFA Cup Winners' Cup final.  It was the only time that the final was played over two legs.  The first leg was played at Ibrox Stadium, Glasgow and the second leg at the Stadio Comunale in Florence.  It was Rangers first European final and in doing so became the first British team to reach the final of a European football competition.  It was Fiorentina's second European final having previously reached the 1957 European Cup final.

1985–86 FC Bayern Munich season: The 1985–86 FC Bayern Munich season was the 86th season in the club's history and 21st season since promotion from Regionalliga Süd in 1965.  Bayern Munich won its 8th Bundesliga title.  This title marked a back-to-back championship for the club.  The club also won the DFB-Pokal and reached the quarterfinals of the European Cup This season, Frank Hartmann, Hans-Dieter Flick, and Helmut Winklhofer transferred to the club while Manfred Schwabl was promoted from the Junior Team.

1963 European Cup Winners' Cup Final: The 1963 European Cup Winners' Cup Final was the final football match of the 1962–63 European Cup Winners' Cup and was the third European Cup Winners' Cup final.  It was contested between Tottenham Hotspur of England and the defending champions, Atlético Madrid of Spain, and was held at Feijenoord Stadion in Rotterdam, Netherlands.  Tottenham won the match 5–1 thanks to goals by Jimmy Greaves (2), John White and Terry Dyson (2).  Tottenham's victory made them the first British team to win a major European trophy.

1977 European Cup Final: The 1977 European Cup Final was an association football match between Liverpool of England and Borussia Mönchengladbach of Germany on 25 May 1977 at the Stadio Olimpico in Rome, Italy (the venue was decided in Bern by the UEFA Executive Committee on 17 September 1976).  The showpiece event was the final match of the 1976–77 season of Europe's premier cup competition, the European Cup.  Both teams were appearing in their first European Cup final, although the two sides had previously met in the 1973 UEFA Cup Final, which Liverpool won 3–2 on aggregate over two legs.

1985 European Cup Winners' Cup Final: The 1985 European Cup Winners' Cup Final was a football match contested between Everton of England and Rapid Wien of Austria.  It was the final match of the 1984–85 European Cup Winners' Cup and the 25th European Cup Winners' Cup Final.  The final was held at Feijenoord Stadion in Rotterdam, Netherlands, on 15 May 1985.  Everton, which dominated throughout, won the match 3–1 thanks to goals by Andy Gray, Trevor Steven and Kevin Sheedy.  Everton were unable to defend the trophy: as league champions they would have entered the 1985–86 European Cup, but they were not permitted to play in either competition following the actions of rival Liverpool fans at the Heysel Stadium, which saw all English clubs banned from European competitions.

1993 European Cup Winners' Cup Final: The 1993 European Cup Winners' Cup Final was a football match contested between Parma of Italy and Royal Antwerp of Belgium.  The final was held at Wembley Stadium in London, England on 12 May 1993.  It was the final match of the 1992–93 European Cup Winners' Cup and the 33rd European Cup Winners' Cup Final.  Parma beat Antwerp 3–1 and in doing so became the eighth different Italian team to win a European trophy.

Supporting paragraphs: Helmut Winklhofer 1987 European Cup Final
Answer: Porto