Guerra , who was also interviewed for the 2007 special edition of Selena , called the singer her greatest influence .
Guerra played Selena 's sister Suzette Quintanilla in the 1997 biopic .
Guerra , who was also interviewed for the 2007 special edition of Selena , called the singer Selena 's greatest influence .
Guerra played Selena 's sister Suzette Quintanilla in the 1997 biopic .