Question: What European championship did the man that holds a record with John Boulger win twice?

Passages:
Pieter Verhees (born 8 December 1989) is a Belgian volleyball player, a member of the Belgian national team and Italian club Gi Group Monza, a participant of the Junior European Championship 2008, European Championship 2011, European Championship 2013, FIVB World Championship 2014 and bronze medalist of the European Volleyball Championship U19 2007, silver medalist of the Belgium championship 2011, gold medalist of the Belgium championship 2012, silver medalist of the CEV Cup 2013, silver medalist of the CEV Challenge Cup 2014 and Bronze medalist of FIVB World League 2014 (Group 2). John Boulger (born 18 June 1945 in Adelaide, South Australia) is a former international motorcycle speedway rider.  After he retired from riding Solos in the early 1980s, Boulger raced somewhat successfully in Speedcars (Midgets) from the mid-1980s until the mid-1990s.  Boulger won a record nine South Australian Championships (a record jointly held with 1951 and 1952 World Champion Jack Young) as well as two Australian Solo Championships during his career. The 2016 Speedway European Championship season was the fourth season of the Speedway European Championship (SEC) era, and the 16th UEM Individual Speedway European Championship.  It was the fourth series under the promotion of One Sport Lts.  of Poland. Cristiano Ronaldo dos Santos Aveiro (] ; born 5 February 1985) is a Portuguese professional footballer who plays as a forward for Spanish club Real Madrid and the Portugal national team.  Often considered the best player in the world and widely regarded as one of the greatest of all time, Ronaldo has four FIFA Ballon d'Or awards, the most for a European player, and is the first player in history to win four European Golden Shoes.  He has won 24 trophies in his career, including five league titles, four UEFA Champions League titles and one UEFA European Championship.  A prolific goalscorer, Ronaldo holds the records for most official goals scored in the top five European leagues (372), the UEFA Champions League (109) and the UEFA European Championship (29), as well as the most goals scored in a UEFA Champions League season (17).  He has scored more than 600 senior career goals for club and country. Sport in Belgium plays a prominent role in the society.  As of 2010, Belgium counted around 17,000 sport clubs with approximately 1.35 million members, thus 13% of the Belgian population is involved in sport.  Popular sports in Belgium are among others football, cycling, tennis, table tennis, athletics, swimming, basketball, badminton, judo, hockey, motocross, auto racing, volleyball and running.  Belgium has organized the 1920 Olympic Games in Antwerp as well as the 1972 UEFA European Championship and the 2000 UEFA European Championship along with the Netherlands.  The Belgium national football team best result was a 4th place at the 1986 FIFA World Cup and a second place of the 1980 UEFA European Championship.  Belgian football clubs have won 3 times the UEFA Cup Winners Cup and twice the UEFA Cup, plus 3 times the UEFA Supercup. The 2010 Rink Hockey European Championship or 2010 CERH European Championship was the 49th edition of the Rink Hockey European Championship, held between 5 and 11 September, in Wuppertal, Germany. Jack Ellis Young (31 January 1925 in Adelaide, South Australia – 28 August 1987 in Adelaide) was a Motorcycle speedway rider who won the Speedway World Championship in 1951 and 1952.  He also won the London Riders' Championship 1953 and 1954 and was a nine time South Australian Champion between 1948 and 1964. Felix Rosenqvist (born 7 November 1991 in Värnamo) is a Swedish racing driver currently racing in Formula E for Mahindra Racing and Super Formula for SUNOCO Team LeMans.  He holds the record of being the only driver ever to win the Macau Grand Prix (twice), Masters of Formula 3 (twice), Grand Prix de Pau and the FIA Formula 3 European Championship. Vicente del Bosque González, 1st Marquis of Del Bosque (] ; born 23 December 1950) is a retired footballer born in Salamanca, Region of León, who most recently managed the Spanish national football team.  After taking over from Luis Aragonés – who had led Spain to European success in the 2008 European Championship – Del Bosque went on to lead the national team to win their first-ever World Cup in 2010, and then to retain their European Championship in 2012.  Del Bosque coached Real Madrid from 1999 to 2003, which was the most successful period in the club's modern era.  Del Bosque is regarded as one of the greatest and most successful managers of all time; he is to date the only football manager to have won the Champions League, the European Championship, and the World Cup, as well as the Intercontinental Cup.  In January 2017, del Bosque was named among the 10 greatest coaches since the foundation of UEFA in 1954. Vanya Voynova (Bulgarian: "Ваня Войнова" ; December 27, 1934 in Sofia, Bulgaria – March 9, 1993 in Sofia, Bulgaria) was a Bulgarian basketball player.  She has played for Slavia Sofia from 1950 to 1968, winning the European Champions' Cup in 1959 and 1963 and Bulgarian league 12 times from 1953 to 1965.  With the Bulgaria women's national basketball team, she has won silver in the 1959 World Championship, bronze in the 1964 World Championship, gold in the 1958 European Championship, silver in the 1960 European Championship and 1964 European Championship and bronze in the 1954 European Championship and 1962 European Championship.  She has been inducted into the Women's Basketball Hall of Fame in 2001 and FIBA Hall of Fame in 2007.

Supporting sentences:
 Boulger won a record nine South Australian Championships (a record jointly held with 1951 and 1952 World Champion Jack Young) as well as two Australian Solo Championships during his career. Jack Ellis Young (31 January 1925 in Adelaide, South Australia – 28 August 1987 in Adelaide) was a Motorcycle speedway rider who won the Speedway World Championship in 1951 and 1952.  He also won the London Riders' Championship 1953 and 1954 and was a nine time South Australian Champion between 1948 and 1964.