Passage: While varieties of football had been played in Spain as far back as Roman times, sport in Spain has been dominated by football since the early 20th century. Real Madrid C.F. and FC Barcelona are two of the most successful football clubs in the world. The country's national football team won the UEFA European Football Championship in 1964, 2008 and 2012 and the FIFA World Cup in 2010, and is the first team to ever win three back-to-back major international tournaments.

Question: Spain has been dominated by what soccer teams
Real Madrid C.F. and FC Barcelona