Question: What  is one of the five ranger districts of the Chattahoochee National Forest that has a mountain located in the Chattahoochee National Forest on the border of Fannin and Gilmer counties in the district, along with a portion of the Toccoa River?
{'answer': 'Toccoa Ranger District', 'supporting_facts': [['Toccoa Ranger District', 0], ['Springer Mountain', 0]]}