COLUMBIA FIREFIGHTERS ARE BEING CREDITED FOR SAVING A WOMAN'S LIFE DURING A WEEKEND HOUSE FIRE.  THE DAILY HERALD REPORTS FIRE CREWS WERE CALLED TO A PARKWAY AVENUE HOME JUST BEFORE 10:00 SATURDAY MORNING FOR A RESIDENCE ON FIRE.  FIREFIGHTERS WERE ABLE TO LOCATE AND RESCUE A 23 YEAR-OLD FEMALE FROM THE HOME. THE VICTIM WAS TRANSPORTED TO VANDERBILT UNIVERSITY MEDICAL CENTER FOR TREATMENT OF BURNS.  OFFICIALS BELIEVE THE FIRE STARTED ON THE LIVING ROOM COUCH.  THE FIRE REMAINS UNDER INVESTIGATION.