Question: How many caps for Italy were earned by the manager of Inter Milan when they reached the quarter-finals of the UEFA Cup after comebacks against Rapid Wien and Aston Villa?

<P0-S0> Giovanni Trapattoni (] ; born 17 March 1939), sometimes popularly known as "Trap" or "Il Trap", is an Italian football manager and former footballer, considered the most successful club coach in the history of Serie A. <P0-S1>  A former defensive midfielder, as a player he spent almost his entire club career with A.C. Milan, where he won two Serie A league titles (1961–62 and 1967–68), and two European Cups, in 1962–63 and 1968–69. <P0-S2>  Internationally, he played for Italy, earning 17 caps and participating in the 1962 FIFA World Cup in Chile. <SEP> <P1-S0> Luis Suárez Miramontes (] ; born 2 May 1935), also known by the diminutive Luisito, is a Spanish former footballer and manager. <P1-S1>  He played as a midfielder for Deportivo de La Coruña, CD España Industrial, FC Barcelona, Inter Milan, Sampdoria and Spain. <P1-S2>  Suárez is regarded as one of Spain's greatest players; he was noted for his elegant, fluid, graceful style of play. <P1-S3>  Nicknamed "El Arquitecto" (The Architect) he was noted for his perceptive passing and explosive shot and in 1960 he became the only Spanish-born player to be voted Ballon d'Or. <P1-S4>  In 1964 he helped Spain win the European Championship. <P1-S5>  Suarez originally achieved prominence as a creative inside forward or attacking midfielder for the great Barcelona team of the 1950s before he joined Inter Milan where he reached his prime as deep lying playmaker for the legendary "Grande Inter" team of the 1960s. <P1-S6>  He played a pivotal role in the success Herrera's Inter Milan side, and was one of the primary creative forces in the squad, due to his ball skills, vision, and passing range. <P1-S7>  He retired as a player in 1973, after three seasons at Sampdoria. <SEP> <P2-S0> Fußballklub Austria Wien (] ; known in English as Austria Vienna, and usually shortened to Austria in German-speaking countries), is an Austrian association football club from the capital city of Vienna. <P2-S1>  It has won the second most Austrian Bundesliga titles - counting 24 since the introduction of the Austrian league in the season 1911-12. <P2-S2>  Along with its cross-city rival Rapid Wien, it is one of the only sides that have never been relegated from the Austrian top flight. <P2-S3>  With 27 victories in the Austrian Cup and six in the Austrian Supercup, Austria Wien is also the most successful club in each of those tournaments, and has won the most national titles of any Austrian football club. <P2-S4>  The club reached the UEFA Cup Winners' Cup final in 1978, and the semi-finals of the European Cup the season after. <P2-S5>  The club plays at the Franz Horr Stadium, known as the Generali Arena since a 2010 naming rights deal with an Italian insurance company. <SEP> <P3-S0> Inter was thought to be a favourite for the Serie A title, having - between others - three world champions in their squad. <P3-S1>  Well placed in the league, the side also reached the quarter-finals of the UEFA Cup after comebacks against Rapid Wien and Aston Villa. <P3-S2>  Trapattoni's team managed to progress to the final, beating also Atalanta and Sporting Lisboa. <P3-S3>  Lost hopes for the "Scudetto", due to losses from the Genoa sides in May, Inter saved the season by winning the UEFA cup. <P3-S4>  The triumph was over fellow Italian side Roma, 2–1 on aggregate.