Question: How many consecutive seasons has the team who has been coached by a Spanish former footballer?

Context paragraphs:
Yolanda Mateos: Yolanda Mateos Franco (born in 1972) is a Spanish former footballer who played as a winger for Eibartarrak FT, Levante UD and CE Sabadell in the Superliga.  She was a member of the Spanish national team, and she took part in the 1997 European Championship.  She scored the goal in the qualifying play-offs against England that qualified Spain for the tournament for the first time.

Alfonso Garcia: Alfonso Garcia (born 24 October 1969) is a Spanish former footballer.  He played all of his career in Germany, including two seasons in the Bundesliga with SpVgg Unterhaching.

2008–09 Olympiacos F.C. season: The 2008–09 season was Olympiacos' 50th consecutive season in the Superleague Greece, but they are competing in the UEFA Cup after an 11-year participation in the UEFA Champions League, as they were eliminated in the UEFA Champions League third qualifying round by Anorthosis.  In the beginning of the summertime, Olympiacos unveiled Spanish Ernesto Valverde as their new coach.

Kenneth Malitoli: Kenneth Malitoli (born 20 August 1966) is a Zambian coach and former footballer.  Nicknamed 'Bubble', Malitoli is one of Zambia's most decorated players and was Zambian league top scorer in three consecutive seasons, as well as top scorer in Tunisia in 1993 and 1994.  He is regarded as Nkana Football Club's most prolific striker after Bernard Chanda.  He won the CAF Champions League with Tunisian giants Esperance in 1994 and featured at four CAN tournaments in 1990, 1994, 1996 and 1998.  Malitoli is currently coaching Zambian Division I South side Lusaka City Council.

2009 Seattle Mariners season: The 2009 Seattle Mariners season was the 33rd season in franchise history.  They improved upon a disappointing 2008 season, where they finished last in the American League West with a 61–101 record.  They finished 3rd in the AL West with an 85–77 record, a 24 win improvement.  The 2009 Mariners became the 13th team in MLB history to have a winning record following a 100+ loss season.  On September 13, 2009, Ichiro got his 200th hit of the season.  In the process, he set a new MLB record by getting at least 200 hits for nine consecutive seasons.  He would break Wee Willie Keeler's record of eight consecutive seasons.

Jerry Sloan: Gerald Eugene Sloan (born March 28, 1942) is an American former National Basketball Association player and head coach, and a member of the Basketball Hall of Fame.  Former NBA commissioner David Stern called Sloan "one of the greatest and most respected coaches in NBA history".  Sloan had a career regular-season win–loss record of 1,221–803, placing him third all-time in NBA wins at the time he retired.  Sloan was only the fifth coach in NBA history to reach 1,000 victories and is one of two coaches in NBA history to record 1,000 wins with one club (the Utah Jazz).  He also coached for one team longer than anyone in NBA history.  The 2009–10 season was his 22nd season (and 21st full season) as coach of the Jazz.  Sloan coached the Jazz to 15 consecutive playoff appearances from 1989 to 2003.  Although he never won a Coach of the Year award, he is one of only four coaches in NBA history with 15-plus consecutive seasons with a winning record (Gregg Popovich, Pat Riley and Phil Jackson are the others).  He led Utah to the NBA Finals in 1997 and 1998, but lost to the Chicago Bulls both times.

Christer Basma: Christer Basma (born 1 August 1972) is a Norwegian former footballer who played as a defender.  He played 16 consecutive seasons Tippeligaen, for Kongsvinger, Stabæk and Rosenborg.  Basma was capped 40 times for Norway.  He has later worked as assistant coach of Ranheim.

2007–08 Detroit Pistons season: The 2007–08 Detroit Pistons season was the 67th season of the franchise, the 60th in the National Basketball Association (NBA), and the 51st in the Detroit area.  The Central Division Pistons finished the regular season with a 59–23 record, 14 games ahead of the second place Cavaliers.  Their 59 wins were the third most in franchise history.  In the NBA Playoffs, Detroit advanced to the Eastern Conference Finals for the sixth consecutive time since 2003, making them the first team since the 1986–87 Los Angeles Lakers to appear that many consecutive times in their respective Conference Finals.  The Pistons lost to the eventual NBA champions Boston Celtics in the Eastern Conference Finals four games to two.

Luis Suárez (footballer, born 1935): Luis Suárez Miramontes (] ; born 2 May 1935), also known by the diminutive Luisito, is a Spanish former footballer and manager.  He played as a midfielder for Deportivo de La Coruña, CD España Industrial, FC Barcelona, Inter Milan, Sampdoria and Spain.  Suárez is regarded as one of Spain's greatest players; he was noted for his elegant, fluid, graceful style of play.  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.  In 1964 he helped Spain win the European Championship.  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.  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.  He retired as a player in 1973, after three seasons at Sampdoria.

Ernesto Valverde: Ernesto Valverde Tejedor (] ; born 9 February 1964) is a Spanish former footballer who played as a forward, and is the current manager of FC Barcelona.

Supporting paragraphs: 2008–09 Olympiacos F.C. season Ernesto Valverde
Answer: 50th