Simplify the following text for a Grade 6 native English-speaking person.
Original: FlÃ vio da ConceiÃ Ã # o ( born 13 June 1974 in Santa Maria da Serra , SÃ # o Paulo ) is a former Brazilian footballer who played as a central midfielder .
Simplified: FlÃ vio ConceiÃ Ã # o ( born 12 June 1974 ) is a former Brazilian football player .