How many consecutive seasons has the team who has been coached by a Spanish former footballer?
2008–09 Olympiacos F.C. season:  In the beginning of the summertime, Olympiacos unveiled Spanish Ernesto Valverde as their new coach. 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.
i don't know