Original: Xabier ` Xabi ' Prieto Argarate ( born 29 August 1983 in San SebastiÃ n , Basque Country ) is a Spanish footballer who plays for Real Sociedad in La Liga , mainly as a right midfielder .
Simplified: Xabier Prieto ( born 29 August 1983 ) is a Spanish football player . He plays for Real Sociedad .